VIOT / Viomi Technology Co., Ltd - Depositary Receipt (Common Stock) - SEC-Einreichungen, Jahresbericht, Proxy Statement

Viomi Technology Co., Ltd - Depositary Receipt (Common Stock)
US ˙ NasdaqGS ˙ US92762J1034

Basisstatistiken
CIK 1742770
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Viomi Technology Co., Ltd - Depositary Receipt (Common Stock)
SEC Filings (Chronological Order)
Auf dieser Seite finden Sie eine vollständige, chronologische Liste der SEC-Einreichungen, mit Ausnahme der Eigentumseinreichungen, die wir an anderer Stelle bereitstellen.
April 22, 2026 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025. OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES

April 22, 2026 EX-4.8

AMENDED AND RESTATED EQUITY PLEDGE AGREEMENT

Exhibit 4.8 AMENDED AND RESTATED EQUITY PLEDGE AGREEMENT This Amended and Restated Equity Pledge Agreement (this “Agreement”) is dated as of , by and among the following parties: 1. Each shareholder listed in Annex 1 (individually and collectively, the “Pledgors”); 2. Lequan Technology (Beijing) Co., Ltd. (the “Pledgee”) Registered Address: 106 Pingfang, 26th Building, South of Xindu East Station,

April 22, 2026 EX-12.2

Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.2 Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Xiaoping Chen, certify that: 1. I have reviewed this annual report on Form 20-F of Viomi Technology Co., Ltd; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made,

April 22, 2026 EX-15.1

April 22, 2026

Exhibit 15.1 April 22, 2026 To: Viomi Technology Co., Ltd (the “Company”) Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of China Dear Sir/Madam: We hereby consent to the reference of our name under the headings “Item 3. Key Information—D. Risk Factors—Risks Related to Our Corporate Structure” and “Item 4. Information on the Comp

April 22, 2026 EX-13.1

Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.1 Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Viomi Technology Co., Ltd (the “Company”) on Form 20-F for the year ended December 31, 2025 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Xiaoping Chen, Chief Executive Officer of the Company, ce

April 22, 2026 EX-12.1

Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.1 Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Xiaoping Chen, certify that: 1. I have reviewed this annual report on Form 20-F of Viomi Technology Co., Ltd; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made,

April 22, 2026 EX-15.2

CONSENT OF INDEPENDENT ACCOUNTANTS

Exhibit 15.2 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-230431) of Viomi Technology Co., Ltd of our report dated April 22, 2026 relating to the financial statements, which appears in this Form 20-F. WWC, P.C. Certified Public Accountants PCAOB ID: 1171 San Mateo, California April 22, 2026

April 22, 2026 EX-4.11

AMENDED AND RESTATED SPOUSE CONSENT LETTER

Exhibit 4.11 AMENDED AND RESTATED SPOUSE CONSENT LETTER I, Zhou Juan (ID No.: ******************), the lawful spouse of Chen Xiaoping (ID No.: ******************), hereby unconditionally consent that all the equity interests (“Equity Interests”) held by Chen Xiaoping in Beijing Viomi Technology Co., Ltd. (the “Domestic Enterprise”) shall be disposed of in accordance with the arrangements under the

April 22, 2026 EX-4.7

AMENDED AND RESTATED SHAREHOLDER VOTING POWER ENTRUSTMENT AGREEMENT

Exhibit 4.7 AMENDED AND RESTATED SHAREHOLDER VOTING POWER ENTRUSTMENT AGREEMENT This Amended and Restated Shareholder Voting Power Entrustment Agreement (this “Agreement”) is made and entered into as of [] [], [] by and among the following parties: 1. Each shareholder listed in Annex 1 (individually and collectively referred to as the “Shareholders”); 2. Lequan Technology (Beijing) Co., Ltd. (the

April 22, 2026 EX-13.2

Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.2 Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Viomi Technology Co., Ltd (the “Company”) on Form 20-F for the year ended December 31, 2025 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Xiaoping Chen, Chief Executive Officer (Principal Financi

April 22, 2026 EX-4.10

Amended and Restated Exclusive Option Agreement

Exhibit 4.10 Amended and Restated Exclusive Option Agreement This Amended and Restated Exclusive Option Agreement (this “Agreement”) is entered into as of [ ] [ ], [] by and among the following parties: 1. Each shareholder listed in Annex 1 (individually and collectively, the “Existing Shareholders”); 2. Lequan Technology (Beijing) Co., Ltd. (the “Wholly Owned Company”); Registered Address: 106 Pi

March 25, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-3864

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2026 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of Chi

March 25, 2026 EX-99.1

Viomi Technology Co., Ltd Reports Second Half and Full Year 2025 Unaudited Financial Results and Announces Special Dividend

Exhibit 99.1 Viomi Technology Co., Ltd Reports Second Half and Full Year 2025 Unaudited Financial Results and Announces Special Dividend GUANGZHOU, China, March 25, 2026 – Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading technology company for home water solutions in China, today announced its unaudited financial results for the second half and full year ended Decembe

February 10, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2026 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2026 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of

February 10, 2026 EX-99.1

Viomi Technology Co., Ltd Announces Board Changes

Exhibit 99.1 Viomi Technology Co., Ltd Announces Board Changes GUANGZHOU, China, February 10, 2026 - Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading technology company for home water solutions in China, today announced that its board of directors (the "Board") has appointed Mr. Qian Sun as a director, effective from February 10, 2026. Mr. Sun will replace Mr. De Liu

January 2, 2026 EX-99.1

Viomi Technology Co., Ltd Provides Update on Share Repurchase Program

Exhibit 99.1 Viomi Technology Co., Ltd Provides Update on Share Repurchase Program GUANGZHOU, China, January 02, 2026 – Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading technology company for home water solutions in China, today provided an update on its previously announced share repurchase program. On October 24, 2025, the Company’s board of directors approved a sha

January 2, 2026 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2026 Commission File Number: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2026 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of C

November 10, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2025 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2025 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of

November 10, 2025 EX-99.1

Viomi Technology Co., Ltd Reports First Half 2025 Unaudited Financial Results

Exhibit 99.1 Viomi Technology Co., Ltd Reports First Half 2025 Unaudited Financial Results GUANGZHOU, China, November 10, 2025 – Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading technology company for home water solutions in China, today announced its unaudited financial results for the six months ended June 30, 2025. First Half 2025 Financial Highlights1 • Net revenu

October 24, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2025 Commission File Number: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2025 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of C

October 24, 2025 EX-99.1

Viomi Technology Co., Ltd Announces Release of First Half 2025 Financial Results on November 10, 2025 and US$20 Million Share Repurchase Plan

Exhibit 99.1 Viomi Technology Co., Ltd Announces Release of First Half 2025 Financial Results on November 10, 2025 and US$20 Million Share Repurchase Plan GUANGZHOU, China, October 24, 2025 - Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading technology company for home water solutions in China, today announced that it will report its unaudited financial results for the

October 2, 2025 EX-99.1

Viomi Technology Co., Ltd Regains Compliance with NASDAQ Requirement

Exhibit 99.1 Viomi Technology Co., Ltd Regains Compliance with NASDAQ Requirement GUANGZHOU, China, Oct. 02, 2025 (GLOBE NEWSWIRE) - Viomi Technology Co., Ltd (“Viomi” or the "Company") (NASDAQ: VIOT), a leading technology company for home water solutions in China, today announced that it has received a notification from The Nasdaq Stock Market LLC (“Nasdaq”) on October 1, 2025, confirming that th

October 2, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2025 Commission File Number: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2025 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of C

September 30, 2025 EX-13.1

Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.1 Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Viomi Technology Co., Ltd (the “Company”) on Form 20-F for the year ended December 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Xiaoping Chen, Chief Executive Officer of the Company, ce

September 30, 2025 EX-4.20

Business Reorganization Agreement

Exhibit 4.20 Business Reorganization Agreement THIS BUSINESS REORGANIZATION AGREEMENT (this “Agreement”) is made and entered into by and between the following parties as of the 19th day of July, 2024 (the “Date of Execution”) in Foshan, the PRC: 1. Chen Xiaoping, Chinese citizen, Chinese identity card number: xxxxxxxxxxxxxxxxxx; 2. Zhuhai Yungui Enterprise Management Consulting Partnership (Limite

September 30, 2025 EX-11.2

Viomi Technology Co., Ltd Amended and Restated Statement of PolicIES Governing Material non-public Information and The Prevention of InsideR Trading (Adopted by the Board of Directors of Viomi Technology Co., Ltd and effective on October 18, 2023)

Exhibit 11.2 Viomi Technology Co., Ltd Amended and Restated Statement of PolicIES Governing Material non-public Information and The Prevention of InsideR Trading (Adopted by the Board of Directors of Viomi Technology Co., Ltd and effective on October 18, 2023) This Amended and Restated Statement of Policies Governing Material Non-Public Information and the Prevention of Insider Trading (this “Stat

September 30, 2025 EX-4.15

Equity Pledge Agreement

Exhibit 4.15 Equity Pledge Agreement THIS EQUITY PLEDGE AGREEMENT (this “Agreement”) is entered into as of the 20th day of July, 2024, by and between: 1. Foshan Yunmi Electric Appliances Technology Co., Ltd. (Hereinafter referred to as “Existing Shareholders”) Registered Address: Thirteenth Floor, No. 7, Industrial Avenue, Lunjiao Street, Lichun Village, Shunde District, Foshan City, Guangdong Pro

September 30, 2025 EX-4.14

Supplementary Agreement

Exhibit 4.14 Supplementary Agreement THIS SUPPLEMENTAL AGREEMENT (hereinafter referred to as “this Agreement”) is made this 26th day of July, 2024, by and between the following parties: 1. Foshan Yunmi Electric Appliances Technology Co., Ltd.(Hereinafter referred to as “Existing Shareholder” or “Grantor”.) Registered Address: Thirteenth Floor, No. 7, Industrial Avenue, Lunjiao Street, Lichun Villa

September 30, 2025 EX-4.19

Shareholder Voting Rights Proxy Agreement

Exhibit 4.19 Shareholder Voting Rights Proxy Agreement THIS STOCKHOLDER VOTING RIGHTS PROVISION AGREEMENT (this “Agreement”) is entered into as of the 20th day of July, 2024, by and among the following parties: 1. Foshan Yunmi Electric Appliances Technology Co., Ltd. (Hereinafter referred to as “Existing Shareholders”) Registered Address: Thirteenth Floor, No. 7, Industrial Avenue, Lunjiao Street,

September 30, 2025 EX-4.18

Termination Agreement

Exhibit 4.18 Termination Agreement THIS TERMINATION AGREEMENT (this “Agreement”) is entered into as of the 19th day of July, 2024, by and among the following parties: 1. Party A: Yunmi Hulian Technology (Guangdong) Co., Ltd,a limited liability company established and validly existing in accordance with the laws of China; 2. Party B: Xiaoping Chen, ID: ******; 2.Zhuhai Yungui Enterprise Management

September 30, 2025 EX-4.17

Exclusive Option Agreement

Exhibit 4.17 Exclusive Option Agreement This Exclusive Option Agreement (hereinafter referred to as the "Agreement") is entered into by the following parties on July 20, 2024: 1. Foshan Yunmi Electric Appliances Technology Co., Ltd. (Hereinafter referred to as “Existing Shareholders”) Registered Address: Thirteenth Floor, No. 7, Industrial Avenue, Lunjiao Street, Lichun Village, Shunde District, F

September 30, 2025 EX-15.2

CONSENT OF INDEPENDENT ACCOUNTANTS

Exhibit 15.2 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-230431) of Viomi Technology Co., Ltd of our report dated September 30, 2025 relating to the financial statements, which appears in this Form 20-F. /s/ WWC, P.C. WWC, P.C. Certified Public Accountants PCAOB ID: 1171 San Mateo, California September 30

September 30, 2025 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024. OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)

September 30, 2025 EX-2.5

Description of rights of each class of securities registered under Section 12 of the Securities Exchange Act of 1934 (the “Exchange Act”)

Exhibit 2.5 Description of rights of each class of securities registered under Section 12 of the Securities Exchange Act of 1934 (the “Exchange Act”) American Depositary Shares (“ADSs”) each representing three Class A ordinary shares of Viomi Technology Co., Ltd., (“we,” “us,” “our company” or “our”) are listed and traded on the Nasdaq Stock Market and, in connection with this listing (but not for

September 30, 2025 EX-4.16

Exclusive Consulting and Service Agreement

Exhibit 4.16 Exclusive Consulting and Service Agreement THIS EXCLUSIVE CONSULTING AND SERVICES AGREEMENT is made and entered into this 20th day of July, 2024, by and between the parties hereto, in the City of Guangzhou, People’s Republic of China (hereinafter referred to as “China”): (1) Zhumeng Hulian Technology (Guangdong) Co., Ltd. a wholly foreign-owned enterprise established under the laws of

September 30, 2025 EX-13.2

Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.2 Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Viomi Technology Co., Ltd (the “Company”) on Form 20-F for the year ended December 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Xiaoping Chen, Chief Executive Officer (Principal Financi

September 30, 2025 EX-12.1

Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.1 Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Xiaoping Chen, certify that: 1. I have reviewed this annual report on Form 20-F of Viomi Technology Co., Ltd; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made,

September 30, 2025 EX-4.21

Business Cooperation Agreement

Exhibit 4.21 Business Cooperation Agreement Party A: Xiaomi Communications Co., Ltd. Legal representative: Wang Chuan Address: No. 019, 9/F, Building 6, Yard 33, Xierqi Middle Road, Haidian District, Beijing Tel.: [REDACTED] Fax: [REDACTED] Party B: Guangdong Lizi Technology Co., Ltd. Legal representative: Chen Xiaoping Address: Floor 3, No. 7, Industrial Avenue, Licun Village, Lunjiao Street, Shu

September 30, 2025 EX-12.2

Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.2 Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Xiaoping Chen, certify that: 1. I have reviewed this annual report on Form 20-F of Viomi Technology Co., Ltd; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made,

September 30, 2025 EX-15.1

September 30, 2025

Exhibit 15.1 September 30, 2025 To: Viomi Technology Co., Ltd (the “Company”) Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of China Dear Sir/Madam: We hereby consent to the reference of our name under the headings “Item 3. Key Information—D. Risk Factors—Risks Related to Our Corporate Structure” and “Item 4. Information on the

August 15, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-386

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of Ch

August 15, 2025 EX-99.1

Viomi Technology Co., Ltd Announces Preliminary First Half 2025 Financial Expects Revenue to Grow Over 70% Year Over Year

Exhibit 99.1 Viomi Technology Co., Ltd Announces Preliminary First Half 2025 Financial Expects Revenue to Grow Over 70% Year Over Year GUANGZHOU, China, August 15, 2025 (GLOBE NEWSWIRE) - Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading technology company for home water solutions in China, today announced its preliminary, unaudited revenue for the first half of 2025.

July 30, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-38649

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of Chin

July 30, 2025 EX-99.1

Viomi Technology Co., Ltd Granted Exception by Nasdaq Staff Regarding Form 20-F Filing

Exhibit 99.1 Viomi Technology Co., Ltd Granted Exception by Nasdaq Staff Regarding Form 20-F Filing GUANGZHOU, China, July 30, 2025 - Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading technology company for home water solutions in China, today announced that it has been granted an exception by the Nasdaq Staff regarding the filing of its Form 20-F for the year ended De

July 14, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-38649

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of Chin

July 14, 2025 EX-99.1

Viomi Technology Co., Ltd Announces Declaration of a Special Dividend

Exhibit 99.1 Viomi Technology Co., Ltd Announces Declaration of a Special Dividend GUANGZHOU, China, July 14, 2025 - Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading technology company for home water solutions in China, today announced that its board of directors has approved the declaration and distribution of a special dividend (the “Special Dividend”) of US$0.0293

June 17, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 001-38649

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of Chin

June 17, 2025 EX-99.1

June 17, 2025

Exhibit 99.1 June 17, 2025 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We have read the statements made by Viomi Technology Co., Ltd (copy attached), which we understand will be filed with the Securities and Exchange Commission on Form 6-K by Viomi Technology Co., Ltd dated June 17, 2025, under the caption Change in Registrant’s Certified Accountant. W

May 23, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-38649

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of China

May 23, 2025 EX-99.1

Viomi Receives NASDAQ Notice Related to Late Filing of Form 20-F

Exhibit 99.1 Viomi Receives NASDAQ Notice Related to Late Filing of Form 20-F GUANGZHOU, China, May 23, 2025 - Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading technology company for home water solutions in China, today announced that it has received a letter from the NASDAQ Stock Market, dated May 21, 2025 (the “Delinquency Letter”), notifying the Company that it is

May 1, 2025 NT 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

SEC FILE NUMBER: 001-38649 CUSIP NUMBER: 92762J103 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 25, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Commission File Number: 001-3864

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of Chi

March 25, 2025 EX-99.1

Viomi Technology Co., Ltd Reports Second Half and Full Year 2024 Unaudited Financial Results

Exhibit 99.1 Viomi Technology Co., Ltd Reports Second Half and Full Year 2024 Unaudited Financial Results Full-year net revenues increased by 29.3%, and income from operations rose by 42.0%, both year-over-year, significantly exceeding previous guidance. GUANGZHOU, China, March 25, 2025 – Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading technology company for home wat

February 13, 2025 EX-99.A

VIOT / Viomi Technology Co., Ltd - Depositary Receipt (Common Stock) / Chen Xiaoping - EXHIBIT A

EXHIBIT A JOINT FILING AGREEMENT In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with all other Reporting Persons (as such term is defined in the Schedule 13G referred to below) on behalf of each of them of a statement on Schedule 13G (including amendments thereto) with respect to the shares of Class A ordinary shares, par value of $0.

November 12, 2024 SC 13G/A

VIOT / Viomi Technology Co., Ltd - Depositary Receipt (Common Stock) / Shunwei China Internet Fund II, L.P. - SC 13G/A Passive Investment

SC 13G/A 1 tm2428165d1sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.3)* Viomi Technology Co., Ltd. (Name of Issuer) Class A ordinary shares, $0.00001 par value per share (Title of Class of Securities) 92762J 103** (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing

October 23, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of C

October 23, 2024 EX-99.1

Viomi Technology Co., Ltd Extends its Share Repurchase Plan

Exhibit 99.1 Viomi Technology Co., Ltd Extends its Share Repurchase Plan GUANGZHOU, China, October 23, 2024 – Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading technology company for home water solutions in China, today announced that as part of the Company’s continuous commitment to enhancing shareholder value, its board of directors (the “Board”) has approved an exte

September 3, 2024 EX-99.1

Viomi Technology Co., Ltd Announces Completion of Certain IoT@Home Businesses Divestment

Exhibit 99.1 Viomi Technology Co., Ltd Announces Completion of Certain IoT@Home Businesses Divestment GUANGZHOU, China, August 31, 2024 – Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading technology company for home water solutions in China, today announced that all the conditions precedent to the divestment of certain businesses and assets related to IoT@Home portfoli

September 3, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of

August 26, 2024 EX-99.1

Viomi Technology Co., Ltd Reports First Half of 2024 Unaudited Financial Results

Exhibit 99.1 Viomi Technology Co., Ltd Reports First Half of 2024 Unaudited Financial Results Returning to a net profit position with a net income of RMB5.6 million and a non-GAAP net income1 of RMB16.1 million. GUANGZHOU, China, August 26, 2024 – Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading technology company for home water solutions in China, today announced its

August 26, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-386

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of Ch

August 19, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-386

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of Ch

August 19, 2024 EX-99.1

Viomi Technology Co., Ltd Regains Compliance with Nasdaq’s Minimum Bid Price Requirement

Exhibit 99.1 Viomi Technology Co., Ltd Regains Compliance with Nasdaq’s Minimum Bid Price Requirement GUANGZHOU, China, August 17, 2024 – Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading technology company for home water solutions in China, today announced that it has received a written notification letter (the “Compliance Notice”) from the Listing Qualifications Depa

July 19, 2024 EX-99.1

Viomi Technology Co., Ltd

Exhibit 99.1 Viomi Technology Co., Ltd Enters Definitive Agreements to Divest Certain IoT@Home Businesses in an Effort to Strategically Focus on Home Water Solution Businesses GUANGZHOU, China, July 19, 2024 – Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT) today announced that, to implement its “Focus” strategy for home water solution businesses, it has entered into definitive

July 19, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Commission File Number: 001-38649

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of Chin

April 25, 2024 EX-4.4

AMENDMENT NO. 1 VIOMI TECHNOLOGY CO., LTD 2018 SHARE INCENTIVE PLAN

Exhibit 4.4 AMENDMENT NO. 1 TO VIOMI TECHNOLOGY CO., LTD 2018 SHARE INCENTIVE PLAN This Amendment (“Amendment”), dated as of October 18, 2023, is made by Viomi Technology Co., Ltd (the “Company”) to the Viomi Technology Co., Ltd 2018 Share Incentive Plan adopted by the Company in June 2018 (the “Plan”). WHEREAS, the Company maintains the Plan to promote the success and enhance the value of the Com

April 25, 2024 EX-12.1

Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.1 Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Xiaoping Chen, certify that: 1. I have reviewed this annual report on Form 20-F of Viomi Technology Co., Ltd; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made,

April 25, 2024 EX-15.1

April 25, 2024

Exhibit 15.1 April 25, 2024 To: Viomi Technology Co., Ltd (the “Company”) Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of China Dear Sir/Madam: We hereby consent to the reference of our name under the headings “Item 3. Key Information—D. Risk Factors—Risks Related to Our Corporate Structure” and “Item 4. Information on the Comp

April 25, 2024 EX-4.19

Business Cooperation Agreement

Exhibit 4.19 Business Cooperation Agreement Party A: Xiaomi Communications Co., Ltd. Legal representative: Chuan WANG Address: No. 019, 9/F, Building 6, Yard 33, Xierqi Middle Road, Haidian District, Beijing Tel.: *** Fax: *** Party B: Foshan Yunmi Electric Appliances Technology Co., Ltd. Legal representative: Xiaoping CHEN Address: No. 2, Xinxi Fourth North Road, Xiashi Village, Lunjiao Street, S

April 25, 2024 EX-4.3

AMENDMENT NO. 1 VIOMI TECHNOLOGY CO., LTD SHARE INCENTIVE PLAN

Exhibit 4.3 AMENDMENT NO. 1 TO VIOMI TECHNOLOGY CO., LTD SHARE INCENTIVE PLAN This Amendment (“Amendment”), dated as of October 18, 2023, is made by Viomi Technology Co., Ltd (the “Company”) to the Viomi Technology Co., Ltd Share Incentive Plan adopted by the Company in September 2015 (the “Plan”). WHEREAS, the Company maintains the Plan to attract, motivate, retain and reward certain officers, em

April 25, 2024 EX-13.1

Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.1 Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Viomi Technology Co., Ltd (the “Company”) on Form 20-F for the year ended December 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Xiaoping Chen, Chief Executive Officer of the Company, ce

April 25, 2024 EX-15.2

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 15.2 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-230431) of Viomi Technology Co., Ltd of our report dated April 25, 2024 relating to the financial statements, which appears in this Form 20-F. /s/ PricewaterhouseCoopers Zhong Tian LLP Guangzhou, the People’s Republic of China

April 25, 2024 EX-13.2

Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.2 Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Viomi Technology Co., Ltd (the “Company”) on Form 20-F for the year ended December 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Xiaoping Chen, Chief Executive Officer (Principal Financi

April 25, 2024 EX-12.2

Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.2 Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Xiaoping Chen, certify that: 1. I have reviewed this annual report on Form 20-F of Viomi Technology Co., Ltd; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made,

April 25, 2024 EX-97.1

VIOMI TECHNOLOGY CO., LTD CLAWBACK POLICY

Exhibit 97.1 VIOMI TECHNOLOGY CO., LTD CLAWBACK POLICY The Compensation Committee (the “Committee”) of the Board of Directors (the “Board”) of Viomi Technology Co., Ltd (the “Company”) believes that it is appropriate for the Company to adopt this Clawback Policy (the “Policy”) to be applied to the Executive Officers of the Company and adopts this Policy to be effective as of the Effective Date. 1.

April 25, 2024 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023. OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)

March 27, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024 Commission File Number: 001-3864

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of Chi

March 27, 2024 EX-99.1

Viomi Announces Receipt of Minimum Bid Price Notice from Nasdaq

Exhibit 99.1 Viomi Announces Receipt of Minimum Bid Price Notice from Nasdaq GUANGZHOU, China, March 27, 2024 – Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, today announced that it has received a written notification from the staff of the Listing Qualifications Department of the Nasdaq Stock Market LLC (“Nasdaq”) dated March

March 25, 2024 EX-99.1

VIOMI TECHNOLOGY CO., LTD UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (All amounts in thousands, except shares, ADS, per share and per ADS data)

Exhibit 99.1 Viomi Technology Co., Ltd Reports Second Half and Full Year 2023 Unaudited Financial Results GUANGZHOU, China, March 25, 2024 – Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, today announced its unaudited financial results for the second half and full year ended December 31, 2023. Second Half 2023 Financial and Op

March 25, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024 Commission File Number: 001-3864

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of Chi

February 2, 2024 SC 13G/A

VIOT / Viomi Technology Co., Ltd - Depositary Receipt (Common Stock) / Chen Xiaoping - SC 13G/A Passive Investment

SC 13G/A 1 tm244119d1sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 5)* Viomi Technology Co., Ltd (Name of Issuer) Class A ordinary shares, $0.00001 par value per share (Title of Class of Securities) 92762J 103** (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of

October 24, 2023 EX-99.1

Viomi Technology Co., Ltd Extends its Share Repurchase Plan

Exhibit 99.1 Viomi Technology Co., Ltd Extends its Share Repurchase Plan GUANGZHOU, China, October 23, 2023 – Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, today announced that, as a part of the Company’s continuous commitment to enhancing shareholder value, its board of directors has approved an extension of its existing sha

October 24, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File Number: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of C

August 24, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-386

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of Ch

August 24, 2023 EX-99.1

VIOMI TECHNOLOGY CO., LTD UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (All amounts in thousands, except shares, ADS, per share and per ADS data)

Exhibit 99.1 Viomi Technology Co., Ltd Reports First Half 2023 Unaudited Financial Results GUANGZHOU, China, August 24, 2023 – Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, today announced its unaudited financial results for the six months ended June 30, 2023. First Half 2023 Financial and Operating Highlights · Net revenues

June 29, 2023 LETTER

LETTER

United States securities and exchange commission logo June 29, 2023 Xiaoping Chen Chief Executive Officer Viomi Technology Co.

June 21, 2023 CORRESP

Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of China

Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of China June 21, 2023 VIA EDGAR Ms. Jennifer Thompson Mr. Jimmy McNamara Mr. Hugh West Ms. SiSi Cheng Division of Corporation Finance Office of Manufacturing Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Re: Viomi Technology Co

June 9, 2023 LETTER

LETTER

United States securities and exchange commission logo June 9, 2023 Xiaoping Chen Chief Executive Officer Viomi Technology Co.

April 25, 2023 EX-15.1

25, 2023

Exhibit 15.1 April 25, 2023 To: Viomi Technology Co., Ltd (the “Company”) Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of China Dear Sir/Madam: We hereby consent to the reference of our name under the headings “Item 3. Key Information—D. Risk Factors—Risks Related to Our Corporate Structure” and “Item 4. Information on the Comp

April 25, 2023 EX-15.2

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 15.2 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-230431) of Viomi Technology Co., Ltd of our report dated April 25, 2023 relating to the financial statements, which appears in this Form 20-F. /s/PricewaterhouseCoopers Zhong Tian LLP Guangzhou, the People’s Republic of China A

April 25, 2023 EX-13.2

Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.2 Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Viomi Technology Co., Ltd (the “Company”) on Form 20-F for the year ended December 31, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Xiaoping Chen, Chief Executive Officer (Principal Financi

April 25, 2023 EX-12.2

Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.2 Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Xiaoping Chen, certify that: 1. I have reviewed this annual report on Form 20-F of Viomi Technology Co., Ltd; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made,

April 25, 2023 EX-13.1

Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.1 Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Viomi Technology Co., Ltd (the “Company”) on Form 20-F for the year ended December 31, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Xiaoping Chen, Chief Executive Officer of the Company, ce

April 25, 2023 EX-12.1

Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.1 Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Xiaoping Chen, certify that: 1. I have reviewed this annual report on Form 20-F of Viomi Technology Co., Ltd; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made,

April 25, 2023 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022. OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)

April 25, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File Number: 001-3864

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of Chi

March 27, 2023 EX-99.1

VIOMI TECHNOLOGY CO., LTD UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (All amounts in thousands, except shares, ADS, per share and per ADS data)

Exhibit 99.1 Viomi Technology Co., Ltd Reports Fourth Quarter and Full Year 2022 Unaudited Financial Results Fourth quarter gross margin increased to 23.0% from 19.8% quarter-over-quarter. Full-year gross margin improved to 22.8% from 22.6% year-over-year. GUANGZHOU, China, March 27, 2023 – Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading IoT @ Home technology company

March 27, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2023 Commission File Number: 001-3864

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2023 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of Chi

February 13, 2023 SC 13G/A

VIOT / Viomi Technology Co., Ltd / Chen Xiaoping - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.4)* Viomi Technology Co., Ltd (Name of Issuer) Class A ordinary shares, $0.00001 par value per share (Title of Class of Securities) 92762J 103** (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box

November 23, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2022 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2022 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People?s Republic of

November 23, 2022 EX-99.1

VIOMI TECHNOLOGY CO., LTD UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (All amounts in thousands, except shares, ADS, per share and per ADS data)

Exhibit 99.1 Viomi Technology Co., Ltd Reports Third Quarter 2022 Unaudited Financial Results GUANGZHOU, China, November 23, 2022 - Viomi Technology Co., Ltd (?Viomi? or the ?Company?) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, today announced its unaudited financial results for the third quarter ended September 30, 2022. Third Quarter 2022 Financial and Operating Highlights

October 25, 2022 EX-99.1

Viomi Technology Co., Ltd Announces US$10 Million New Share Repurchase Plan

EX-99.1 Exhibit 99.1 Viomi Technology Co., Ltd Announces US$10 Million New Share Repurchase Plan GUANGZHOU, China, October 25, 2022 – Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, today announced that as a part of the Company’s continuous commitment to enhancing shareholder value, its board of directors has approved a new sha

October 25, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2022 Commission File Number: 001-38

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2022 Commission File Number: 001-38649 VIOMI TECHNOLOGY CO., LTD Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Repu

August 23, 2022 EX-99.1

VIOMI TECHNOLOGY CO., LTD UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (All amounts in thousands, except shares, ADS, per share and per ADS data)

Exhibit 99.1 Viomi Technology Co., Ltd Reports Second Quarter 2022 Unaudited Financial Results Gross margin improved year-over-year to 22.1% from 21.2 % GUANGZHOU, China, August 22, 2022 - Viomi Technology Co., Ltd (?Viomi? or the ?Company?) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, today announced its unaudited financial results for the second quarter ended June 30, 2022.

August 23, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2022 Commission File Number: 001-386

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2022 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People?s Republic of Ch

May 27, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2022 Commission File Number: 001-38649

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2022 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People?s Republic of China

May 27, 2022 EX-99.1

VIOMI TECHNOLOGY CO., LTD UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (All amounts in thousands, except shares, ADS, per share and per ADS data)

Exhibit 99.1 Viomi Technology Co., Ltd Reports First Quarter 2022 Unaudited Financial Results Gross margin continued to improve, reaching 26.3% from 21.1% a year ago GUANGZHOU, China, May 27, 2022 - Viomi Technology Co., Ltd (?Viomi? or the ?Company?) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, today announced its unaudited financial results for the first quarter ended March

April 27, 2022 EX-12.2

CFO Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.2 Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Xiaoping Chen, certify that: 1. I have reviewed this annual report on Form 20-F of Viomi Technology Co., Ltd; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made,

April 27, 2022 EX-15.1

Consent of Han Kun Law Offices

EX-15.1 8 viot-ex15115.htm EX-15.1 Exhibit 15.1 April 27, 2022 To: Viomi Technology Co., Ltd (the “Company”) Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of China Dear Sir/Madam: We hereby consent to the reference of our name under the headings “Item 3. Key Information—D. Risk Factors—Risks Related to Our Corporate Structure” a

April 27, 2022 EX-4.10

English Translation of Business Cooperation Agreement between Foshan Viomi and Xiaomi dated September 10, 2021

Exhibit 4.10 Business Cooperation Agreement Party A: Xiaomi Communications Co., Ltd. Legal representative: Wang Chuan Address: No. 019, 9/F, Building 6, Yard 33, Xierqi Middle Road, Haidian District, Beijing Tel.: [****] Fax: [****] Party B: Foshan Yunmi Electric Appliances Technology Co., Ltd. Legal representative: Chen Xiaoping Address: No. 2, Xinxi Fourth North Road, Xiashi Village, Lunjiao Str

April 27, 2022 EX-13.2

CFO Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.2 Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Viomi Technology Co., Ltd (the “Company”) on Form 20-F for the year ended December 31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Xiaoping Chen, Chief Executive Officer (Principal Financi

April 27, 2022 EX-13.1

CEO Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.1 Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Viomi Technology Co., Ltd (the “Company”) on Form 20-F for the year ended December 31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Xiaoping Chen, Chief Executive Officer of the Company, ce

April 27, 2022 EX-12.1

CEO Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.1 Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Xiaoping Chen, certify that: 1. I have reviewed this annual report on Form 20-F of Viomi Technology Co., Ltd; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made,

April 27, 2022 EX-15.2

Consent of PricewaterhouseCoopers Zhong Tian LLP

EX-15.2 9 viot-ex1528.htm EX-15.2 Exhibit 15.2 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-230431) of Viomi Technology Co., Ltd of our report dated April 27, 2022 relating to the financial statements, which appears in this Form 20-F. /s/ PricewaterhouseCoopers Zhong Tian LLP Guangzho

April 27, 2022 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ?REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ?ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021. OR ?TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXC

March 28, 2022 EX-99.1

VIOMI TECHNOLOGY CO., LTD UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (All amounts in thousands, except shares, ADS, per share and per ADS data)

Exhibit 99.1 Viomi Technology Co., Ltd Reports Fourth Quarter and Full Year 2021 Unaudited Financial Results Fourth quarter net revenues exceeded the previous guidance Fourth quarter gross margin continued to improve, reaching 25.6% from 23.5% a year ago GUANGZHOU, China, March 28, 2022 - Viomi Technology Co., Ltd (?Viomi? or the ?Company?) (NASDAQ: VIOT), a leading IoT @ Home technology company i

March 28, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2022 Commission File Number: 001-3864

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2022 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People?s Republic of Chi

February 25, 2022 SC 13G/A

VIOT / Viomi Technology Co., Ltd / Chen Xiaoping - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.3)* Corrected? Viomi Technology Co., Ltd (Name of Issuer) Class A ordinary shares, $0.00001 par value per share (Title of Class of Securities) 92762J 103** (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appr

February 15, 2022 SC 13G/A

VIOT / Viomi Technology Co., Ltd / Serenity Capital LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

February 11, 2022 SC 13G/A

VIOT / Viomi Technology Co., Ltd / Guolao Investments - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* Viomi Technology Co., Ltd. (Name of Issuer) Class A ordinary shares (Title of Class of Securities) 92762J103 (CUSIP Number) February 11, 2022 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which th

February 9, 2022 SC 13G/A

VIOT / Viomi Technology Co., Ltd / Chen Xiaoping - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.3)* Viomi Technology Co., Ltd (Name of Issuer) Class A ordinary shares, $0.00001 par value per share (Title of Class of Securities) 92762J 103** (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box

February 9, 2022 SC 13G/A

VIOT / Viomi Technology Co., Ltd / FIL Ltd Passive Investment

SCHEDULE 13G Amendment No. 1 VIOMI TECHNOLOGY CO LTD CLASS A COMMON STOCK Cusip #DGB533000 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [x] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) Cusip #DGB533000 Item 1: Reporting Person - FIL Limited Item 2: (a) [ ] (b) [ ] Item 4: Bermuda Item 5: 0 Item 6: 0 Item 7: 0 Item 8: 0 Item 9: 0 Item 11: 0.000% Ite

December 14, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2021 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2021 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People?s Republic of

December 14, 2021 EX-99.1

Viomi Technology Co., Ltd Announces Update of Share Repurchase Program

Exhibit 99.1 Viomi Technology Co., Ltd Announces Update of Share Repurchase Program GUANGZHOU, China, Dec. 14, 2021 - - Viomi Technology Co., Ltd (?Viomi? or the ?Company?) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, today provided an update on the Company?s previously announced share repurchase program to repurchase up to US$10 million worth of its Class A ordinary shares in

November 24, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2021 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2021 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People?s Republic of

November 24, 2021 EX-99.1

Viomi Technology Co., Ltd Reports Third Quarter 2021 Unaudited Financial Results

Exhibit 99.1 Viomi Technology Co., Ltd Reports Third Quarter 2021 Unaudited Financial Results Gross margin improved to 22.7% from 17.1% a year ago GUANGZHOU, China, November 24, 2021 - Viomi Technology Co., Ltd (?Viomi? or the ?Company?) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, today announced its unaudited financial results for the third quarter ended September 30, 2021.

October 14, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2021 Commission File Number: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2021 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People?s Republic of C

October 14, 2021 EX-99.1

Viomi Technology Co., Ltd Announces Share Repurchase Plan

Exhibit 99.1 Viomi Technology Co., Ltd Announces Share Repurchase Plan GUANGZHOU, China, Oct. 14, 2021 - Viomi Technology Co., Ltd (?Viomi? or the ?Company?) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, today announced that the Company?s Board of Directors has approved a share repurchase program whereby the Company is authorized to repurchase up to US$10 million worth of its C

August 26, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021 Commission File Number: 001-386

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People?s Republic of Ch

August 26, 2021 EX-99.1

Viomi Technology Co., Ltd Reports Second Quarter 2021 Unaudited Financial Results

Exhibit 99.1 Viomi Technology Co., Ltd Reports Second Quarter 2021 Unaudited Financial Results Gross margin recovered to 21.2% from 14.3% a year ago Net income attributable to ordinary shareholders increased significantly, by 367.4% year-over-year GUANGZHOU, China, August 25, 2021 - Viomi Technology Co., Ltd (?Viomi? or the ?Company?) (NASDAQ: VIOT), a leading IoT @ Home technology company in Chin

June 30, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2021 Commission File Number: 001-38649

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2021 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People?s Republic of Chin

May 27, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2021 Commission File Number: 001-38649

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2021 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People?s Republic of China

May 27, 2021 EX-99.1

Viomi Technology Co., Ltd Reports First Quarter 2021 Unaudited Financial Results

Exhibit 99.1 Viomi Technology Co., Ltd Reports First Quarter 2021 Unaudited Financial Results Net revenues increased by 64.0% year-over-year, exceeding previous guidance Gross margin increased to 21.1% from 18.8% a year ago GUANGZHOU, China, May 27, 2021 (GLOBE NEWSWIRE) - Viomi Technology Co., Ltd (?Viomi? or the ?Company?) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, today a

April 26, 2021 EX-15.2

Consent of PricewaterhouseCoopers Zhong Tian LLP

Exhibit 15.2 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-230431) of Viomi Technology Co., Ltd. of our report dated April 26, 2021 relating to the financial statements, which appears in this Form 20-F. /s/PricewaterhouseCoopers Zhong Tian LLP Guangzhou, the People?s Republic of China

April 26, 2021 EX-4.13

English translation of the Equity Pledge Agreement among Foshan Viomi, its shareholders, and WFOE II on April 28, 2020

Exhibit 4.13 Equity Pledge Agreement This Equity Pledge Agreement (hereinafter referred to as the ?Agreement?) was entered into by the following parties on April 28, 2020: 1.Each shareholder listed in Annex I (hereinafter referred to as the ?Pledgor? separately and collectively) 2.Yunmi Hulian Technology (Guangdong) Co., Ltd. (hereinafter referred to as the ?Pledgee?) Registered Address: No.1-7, N

April 26, 2021 EX-4.17

English translation of the Agreement on the Investment in Development and Construction of Plot 3 on the Licun Section of Industrial Avenue Subordinate to Licun Village Committee, Lunjiao Sub-district Office, Shunde District among Center for Land Development, Lunjiao Sub-district Office, Shunde District, Foshan City and WFOE II on June 1, 2020

Exhibit 4.17 Agreement on the Investment in Development and Construction of Plot 3 on the Licun Section of Industrial Avenue Subordinate to Licun Village Committee, Lunjiao Sub-district Office, Shunde District Party A: Center for Land Development, Lunjiao Sub-district Office, Shunde District, Foshan City Address: 1 Nanyuan Road, Lunjiao Sub-district, Shunde District, Foshan City Party B?Yunmi Huli

April 26, 2021 EX-4.12

English translation of the Shareholder Voting Proxy Agreement among Foshan Viomi, its shareholders and WFOE II on April 28, 2020

Exhibit 4.12 Shareholder Voting Proxy Agreement This Shareholder Voting Proxy Agreement (hereinafter referred to as the ?Agreement?) is entered into by the following parties on April 28, 2020: 1.Each shareholder listed in Annex I (hereinafter referred to as ?Each Shareholder? individually and collectively) 2.Yunmi Hulian Technology (Guangdong) Co., Ltd. (hereinafter referred to as the ?Sole Propri

April 26, 2021 EX-15.1

Consent of Han Kun Law Offices

Exhibit 15.1 April 26, 2021 To: Viomi Technology Co., Ltd (the ?Company?) Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People?s Republic of China Dear Sir/Madam: We hereby consent to the reference of our name under the headings ?Item 3. Key Information?D. Risk Factors?Risks Related to Our Corporate Structure? and ?Item 4. Information on the Comp

April 26, 2021 EX-12.1

CEO Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.1 Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Xiaoping Chen, certify that: 1. I have reviewed this annual report on Form 20-F of Viomi Technology Co., Ltd; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made,

April 26, 2021 EX-13.1

CEO Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.1 Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Viomi Technology Co., Ltd (the ?Company?) on Form 20-F for the year ended December 31, 2020 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), I, Xiaoping Chen, Chief Executive Officer of the Company, ce

April 26, 2021 EX-13.2

CFO Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.2 Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Viomi Technology Co., Ltd (the ?Company?) on Form 20-F for the year ended December 31, 2020 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), I, Xiaoping Chen, Chief Executive Officer (Principal Financi

April 26, 2021 EX-4.15

English translation of the Exclusive Option Agreement among Foshan Viomi, its shareholders and WFOE II on April 28, 2020

Exhibit 4.15 Exclusive Option Agreement This Exclusive Option Agreement (hereinafter referred to as the ?Agreement?) is entered into by the following parties on April 28, 2020: 1. All shareholders listed in Annex I (hereinafter referred to as the ?Existing Shareholders? individually and collectively) 2. Yunmi Hulian Technology (Guangdong) Co., Ltd. (hereinafter referred to as the ?Sole Proprietor?

April 26, 2021 EX-4.16

English translation of the Spousal Consent Letter of the spouse of Mr. Xiaoping Chen as an individual shareholder of Foshan Viomi on April 28, 2020

Exhibit 4.16 Spouse Consent Letter I, ZHOU Juan (ID Card No. ******), the legal spouse of CHEN Xiaoping (ID Card No. ******), hereby unconditionally agree that: all of the equities (the ?Equities?) of Foshan Yunmi Electric Appliances Technology Co., Ltd. (the ?Domestic Enterprise?) held by CHEN Xiaoping will be disposed of according to the arrangements under the ?Exclusive Option Agreement?, the ?

April 26, 2021 EX-4.14

English translation of the Exclusive Consultation and Service Agreement between Foshan Viomi and WFOE II on April 28, 2020

Exhibit 4.14 Exclusive Consultation and Service Agreement This Exclusive Consultation and Service Agreement is entered into by the following parties on April 28, 2020, in Beijing, the People?s Republic of China (the ?PRC?), by and between: (1) Yunmi Hulian Technology (Guangdong) Co., Ltd., a wholly foreign-owned enterprise established under the laws of the PRC, with its registered office at No.1-7

April 26, 2021 EX-4.11

English Translation of Termination Agreement between WFOE I, Xiaoping Chen and Foshan Viomi dated April 28, 2020

Exhibit 4.11 Termination Agreement This Termination Agreement (this ?Agreement?) was entered into on April 28, 2020, by and between: Party A: Lequan Technology (Beijing) Co., Ltd. Address: 3-505, 4F, Building 1, No.35, Shangdi East Road, Haidian District, Beijing Party B: CHEN Xiaoping, ID Card No.: ****** Party C: Foshan Yunmi Electric Appliances Technology Co., Ltd. Address: No.2, North Xinxi 4t

April 26, 2021 EX-12.2

CFO Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.2 Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Xiaoping Chen, certify that: 1. I have reviewed this annual report on Form 20-F of Viomi Technology Co., Ltd; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made,

April 26, 2021 20-F

- 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ? REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020. OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES

March 29, 2021 6-K

Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2021 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People?s Republic of Chi

March 29, 2021 EX-99.1

Viomi Technology Co., Ltd Reports Fourth Quarter and Full Year 2020 Unaudited Financial Results

Exhibit 99.1 Viomi Technology Co., Ltd Reports Fourth Quarter and Full Year 2020 Unaudited Financial Results Fourth quarter 2020 gross margin increased to 23.5% from 19.9% a year ago GUANGZHOU, China, March 25, 2021 - Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, today announced its unaudited financial results for the fourth

February 22, 2021 SC 13G

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Viomi Technology Co., Ltd. (Name of Issuer) Class A ordinary shares (Title of Class of Securities) (CUSIP Number) Febru

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Viomi Technology Co., Ltd. (Name of Issuer) Class A ordinary shares (Title of Class of Securities) 92762J103 (CUSIP Number) February 18, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this

February 16, 2021 SC 13G/A

SCHEDULE 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2 )* Viomi Technology Co., Ltd. (Name of Issuer) Common Stock (Title of Class of Securities) G9380P108 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which

February 16, 2021 SC 13G/A

SCHEDULE 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Viomi Technology Co., Ltd. (Name of Issuer) Common Stock (Title of Class of Securities) G9380P108 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which

February 12, 2021 SC 13G/A

MS AMENDMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.2)* Viomi Technology Co., Ltd - (Name of Issuer) Class A Common Stock - (Title of Class of Securities) 92762J103 - (CUSIP Number) December 31, 2020 - (Date Of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursu

February 10, 2021 SC 13G/A

UNITED STATES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.2)* Viomi Technology Co., Ltd (Name of Issuer) Class A ordinary shares, $0.00001 par value per share (Title of Class of Securities) 92762J 103** (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box

February 9, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 2)* Viomi Technology Co., Ltd. (Name of Issuer) Class A ordinary shares, $0.00001 par value per share (Title

SCHEDULE 13G AMENDMENT NO. 2 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 2)* Viomi Technology Co., Ltd. (Name of Issuer) Class A ordinary shares, $0.00001 par value per share (Title of Class of Securities) 92762J 103** (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this State

February 8, 2021 SC 13G

SC 13G

SCHEDULE 13G Amendment No. 0 VIOMI TECHNOLOGY CO LTD CLASS A COMMON STOCK Cusip #92762J103 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [x] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) Cusip #92762J103 Item 1: Reporting Person - FIL Limited Item 2: (a) [ ] (b) [ ] Item 4: Bermuda Item 5: 5,518,317 Item 6: 0 Item 7: 5,518,317 Item 8: 0 Item 9: 5,518

December 1, 2020 6-K

Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2020 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of

December 1, 2020 EX-99.1

Viomi Technology Co., Ltd Announces Management Change

Exhibit 99.1 Viomi Technology Co., Ltd Announces Management Change GUANGZHOU, China, November 30, 2020 (GLOBE NEWSWIRE) - Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, today announced that Mr. Shun Jiang has tendered his resignation as Chief Financial Officer of the Company for personal reasons, effective immediately. The Com

November 25, 2020 EX-99.1

VIOMI TECHNOLOGY CO., LTD UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (All amounts in thousands, except shares, ADS, per share and per ADS data)

Exhibit 99.1 Viomi Technology Co., Ltd Reports Third Quarter 2020 Unaudited Financial Results Net revenues increased by 39.0% year-over-year, exceeding previous guidance GUANGZHOU, China, November 25, 2020 - Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, today announced its unaudited financial results for the third quarter end

November 25, 2020 6-K

Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2020 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of

August 24, 2020 EX-99.1

Viomi Technology Co., Ltd Reports Second Quarter 2020 Unaudited Financial Results

Exhibit 99.1 Viomi Technology Co., Ltd Reports Second Quarter 2020 Unaudited Financial Results Net revenues increased by 45.2% year-over-year, significantly exceeding previous guidance GUANGZHOU, China, August 24, 2020 - Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, today announced its unaudited financial results for the seco

August 24, 2020 6-K

Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2020 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of Ch

June 8, 2020 EX-99.1

Viomi Technology Co., Ltd Reports First Quarter 2020 Unaudited Financial Results

EX-99.1 Exhibit 99.1 Viomi Technology Co., Ltd Reports First Quarter 2020 Unaudited Financial Results First quarter net revenues increased by 13.2% year-over-year, exceeding previous guidance GUANGZHOU, China, May 26, 2020 — Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, today announced its unaudited financial results for the

June 8, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2020 Commission File Number: 001-38649 VIOMI TECHNOLOGY CO., LTD Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republi

April 23, 2020 EX-15.1

Consent of Han Kun Law Offices

Exhibit 15.1 April 23, 2020 To: Viomi Technology Co., Ltd (the “Company”) Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of China Dear Sir/Madam: We hereby consent to the reference of our name under the headings “Item 3. Key Information—D. Risk Factors—Risks Related to Our Corporate Structure” and “Item 4. Information on the Comp

April 23, 2020 EX-12.1

CEO Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.1 Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Xiaoping Chen, certify that: 1. I have reviewed this annual report on Form 20-F of Viomi Technology Co., Ltd; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made,

April 23, 2020 EX-13.2

CFO Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.2 Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Viomi Technology Co., Ltd (the “Company”) on Form 20-F for the fiscal year ended December 31, 2019 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Shun Jiang, Chief Financial Officer of the Company

April 23, 2020 EX-15.2

Consent of PricewaterhouseCoopers Zhong Tian LLP

Exhibit 15.2 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-230431) of Viomi Technology Co., Ltd. of our report dated April 23, 2020 relating to the financial statements, which appears in this Form 20-F. /s/PricewaterhouseCoopers Zhong Tian LLP Guangzhou, the People’s Republic of China

April 23, 2020 EX-4.10

English Translation of Business Cooperation Agreement between Foshan Viomi and Xiaomi dated November 1, 2019

Exhibit 4.10 Business Cooperation Agreement Party A: Xiaomi Communications Co., Ltd. Address: Level 9, Phase II, the Rainbow City of China Resources, No. 68 Qinghe Middle Road, Haidian, Beijing Tel: 010-56343888 Fax: 010-56343666 Party B: Foshan Yunmi Electric Appliances Technology Co., Ltd. Legal Representative: Chen Xiaoping Address: (2F of No.1 Building and 4F of No.7 Building) No. 2, Xinxisi N

April 23, 2020 EX-12.2

CFO Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.2 Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Shun Jiang, certify that: 1. I have reviewed this annual report on Form 20-F of Viomi Technology Co., Ltd; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in

April 23, 2020 EX-13.1

CEO Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.1 Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Viomi Technology Co., Ltd (the “Company”) on Form 20-F for the fiscal year ended December 31, 2019 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Xiaoping Chen, Chief Executive Officer of the Comp

April 23, 2020 EX-2.5

Description of Securities

Exhibit 2.5 Description of rights of each class of securities registered under Section 12 of the Securities Exchange Act of 1934 (the “Exchange Act”) American Depositary Shares (“ADSs”) each representing three Class A ordinary shares of Viomi Technology Co., Ltd., (“we,” “us,” “our company” or “our”) are listed and traded on the Nasdaq Stock Market and, in connection with this listing (but not for

April 23, 2020 20-F

- 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019. OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES

April 23, 2020 EX-4.2

2018 Share Incentive Plan

Exhibit 4.2 VIOMI TECHNOLOGY CO., LTD 2018 SHARE INCENTIVE PLAN ARTICLE 1 PURPOSE The purpose of this 2018 Share Incentive Plan (the “Plan”) is to promote the success and enhance the value of Viomi Technology Co., Ltd, an exempted company formed under the laws of the Cayman Islands (the “ Company ”), by linking the personal interests of the Directors, Employees, and Consultants to those of the Com

March 27, 2020 6-K

VIOT / Viomi Technology Co., Ltd 6-K - Current Report of Foreign Issuer - FORM 6-K

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March, 2020 Commission File Number: 001-38649 VIOMI TECHNOLOGY CO., LTD Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Repub

March 27, 2020 EX-99.2

Viomi Announces US$10 Million Share Repurchase Plan

EX-99.2 Exhibit 99.2 Viomi Announces US$10 Million Share Repurchase Plan GUANGZHOU, China, March 26, 2020 — Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, today announced that the Company’s Board of Directors had approved a share repurchase program whereby the Company is authorized to repurchase up to US$10 million worth of it

March 27, 2020 EX-99.1

Viomi Technology Co., Ltd Reports Fourth Quarter and Full Year 2019 Unaudited Financial Results

EX-99.1 Exhibit 99.1 Viomi Technology Co., Ltd Reports Fourth Quarter and Full Year 2019 Unaudited Financial Results Fourth quarter and full year net revenues increased by 82.2% and 81.5% year-over-year, respectively, both exceeding high-ends of guidance GUANGZHOU, China, March 26, 2020 — Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading IoT @ Home technology company i

February 28, 2020 6-K

VIOT / Viomi Technology Co., Ltd 6-K - Current Report of Foreign Issuer - FORM 6-K

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February, 2020 Commission File Number: 001-38649 VIOMI TECHNOLOGY CO., LTD Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Re

February 28, 2020 EX-99.1

Viomi Announces Investment Plan for Comprehensive IoT Technology Park

EX-99.1 Exhibit 99.1 Viomi Announces Investment Plan for Comprehensive IoT Technology Park GUANGZHOU, China, February 28, 2020 — Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, announced this week that is has entered into a memorandum of understanding with the local government in Shunde, Guangdong Province, for a planned invest

February 14, 2020 SC 13G/A

VIOT / Viomi Technology Co., Ltd / Sequoia Capital China Venture Fund V, L.p. - SC 13G/A Passive Investment

SC 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) Information to be Included in Statements Filed Pursuant to § 240.13d-1(b), (c) and (d) and Amendments Thereto Filed Pursuant to § 240.13d-2 Under the Securities Exchange Act of 1934 (Amendment No. 1)* Viomi Technology Co., Ltd. (Name of Issuer) Class A Ordinary Shares, par value $0.00001 per share (Title

February 14, 2020 SC 13G/A

VIOT / Viomi Technology Co., Ltd / Capital Research Global Investors - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Viomi Technology Co., Ltd (Name of Issuer) Class A ordinary shares (Title of Class of Securities) 92762J103 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant

February 14, 2020 SC 13G/A

VIOT / Viomi Technology Co., Ltd / Serenity Capital LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

February 14, 2020 SC 13G

VIOT / Viomi Technology Co., Ltd / Capital International Investors - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Viomi Technology Co., Ltd (Name of Issuer) Class A ordinary shares (Title of Class of Securities) 92762J103 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant t

February 13, 2020 SC 13G/A

VIOT / Viomi Technology Co., Ltd / Chen Xiaoping - SCHEDULE 13G AMENDMENT NO 1 Passive Investment

Schedule 13G Amendment No 1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

February 13, 2020 SC 13G/A

VIOT / Viomi Technology Co., Ltd / MORGAN STANLEY - MS AMENDMENT Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.1)* Viomi Technology Co., Ltd - (Name of Issuer) Class A Common Stock - (Title of Class of Securities) 92762J103 - (CUSIP Number) December 31, 2019 - (Date Of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursu

February 12, 2020 SC 13G/A

VIOT / Viomi Technology Co., Ltd / Shunwei China Internet Fund Ii, L.p. - SCHEDULE 13G AMENDMENT NO. 1 Passive Investment

SCHEDULE 13G AMENDMENT NO. 1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.1)* Viomi Technology Co., Ltd. (Name of Issuer) Class A ordinary shares, $0.00001 par value per share (Title of Class of Securities) 92762J 103** (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statem

November 21, 2019 EX-99.1

Viomi Technology Co., Ltd Reports Third Quarter 2019 Unaudited Financial Results Net revenues increased by 89.2% year-over-year to RMB1.07 billion, exceeding guidance

Exhibit 99.1 Viomi Technology Co., Ltd Reports Third Quarter 2019 Unaudited Financial Results Net revenues increased by 89.2% year-over-year to RMB1.07 billion, exceeding guidance GUANGZHOU, China, Nov. 20, 2019 (GLOBE NEWSWIRE) - Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, today announced its unaudited financial results fo

November 21, 2019 6-K

VIOT / Viomi Technology Co., Ltd 6-K - Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2019 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of

October 3, 2019 SC 13G

VIOT / Viomi Technology Co., Ltd / MORGAN STANLEY - MS INITIAL Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.)* Viomi Technology Co., Ltd - (Name of Issuer) Class A Common Stock - (Title of Class of Securities) 92762J103 - (CUSIP Number) September 24, 2019 - (Date Of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursu

September 25, 2019 6-K

VIOT / Viomi Technology Co., Ltd 6-K - Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2019 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of

September 25, 2019 EX-99.1

2

Exhibit 99.1 Viomi Technology Co., Ltd Announces Board of Directors Changes to Comply with NASDAQ Requirements for Majority Independent Board GUANGZHOU, China, September 25, 2019 - Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, today announced changes to the Company’s board of directors (the “Board”) to comply with NASDAQ requ

August 21, 2019 6-K

VIOT / Viomi Technology Co., Ltd 6-K - Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2019 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of Ch

August 21, 2019 EX-99.1

Viomi Technology Co., Ltd Reports Second Quarter 2019 Unaudited Financial Results Net revenues increased by 63.6% year-over-year to RMB1.16 billion Net income increased by 117.6% year-over-year to RMB88.9 million Non-GAAP net income increased by 113.

Exhibit 99.1 Viomi Technology Co., Ltd Reports Second Quarter 2019 Unaudited Financial Results Net revenues increased by 63.6% year-over-year to RMB1.16 billion Net income increased by 117.6% year-over-year to RMB88.9 million Non-GAAP net income increased by 113.7% year-over-year to RMB99.3 million GUANGZHOU, China, Aug. 21, 2019 (GLOBE NEWSWIRE) - Viomi Technology Co., Ltd (“Viomi” or the “Compan

May 23, 2019 6-K

VIOT / Viomi Technology Co., Ltd 6-K - Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2019 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of China

May 23, 2019 EX-99.1

Viomi Technology Co., Ltd Reports First Quarter 2019 Unaudited Financial Results Net revenues increased by 104.4% year-over-year to RMB676.2 million, towards upper-end of guidance range

Exhibit 99.1 Viomi Technology Co., Ltd Reports First Quarter 2019 Unaudited Financial Results Net revenues increased by 104.4% year-over-year to RMB676.2 million, towards upper-end of guidance range GUANGZHOU, China, May 23, 2019 (GLOBE NEWSWIRE) - Viomi Technology Co., Ltd (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, today announced its unaudited fi

April 23, 2019 EX-13.1

CEO Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.1 Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Viomi Technology Co., Ltd (the “Company”) on Form 20-F for the fiscal year ended December 31, 2018 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Xiaoping Chen, Chief Executive Officer of the Comp

April 23, 2019 EX-13.2

CFO Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.2 Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Viomi Technology Co., Ltd (the “Company”) on Form 20-F for the fiscal year ended December 31, 2018 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Shun Jiang, Chief Financial Officer of the Company

April 23, 2019 EX-12.1

CEO Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

EXHIBIT 12.1 Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Xiaoping Chen, certify that: 1. I have reviewed this annual report on Form 20-F of Viomi Technology Co., Ltd; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made,

April 23, 2019 EX-15.2

Consent of PricewaterhouseCoopers Zhong Tian LLP

Exhibit 15.2 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-230431) of Viomi Technology Co., Ltd. of our report dated April 23, 2019 relating to the financial statements, which appears in this Form 20-F. /s/PricewaterhouseCoopers Zhong Tian LLP Guangzhou, the People’s Republic of China

April 23, 2019 20-F

VIOT / Viomi Technology Co., Ltd 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018. OR ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXC

April 23, 2019 EX-12.2

CFO Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

EXHIBIT 12.2 Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Shun Jiang, certify that: 1. I have reviewed this annual report on Form 20-F of Viomi Technology Co., Ltd; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in

April 23, 2019 EX-15.1

Consent of Han Kun Law Offices

Exhibit 15.1 漢 坤 律 師 事 務 所 Han Kun Law Offices 9/F, Office Tower C1, Oriental Plaza, 1 East Chang An Avenue, Beijing 100738, P. R. China Tel: (86 10) 8525 5500; Fax: (86 10) 8525 5511 / 8525 5522 北京 Beijing • 上海 Shanghai • 深圳 Shenzhen • 香港 Hong Kong www.hankunlaw.com April 23, 2019 To: Viomi Technology Co., Ltd (the “Company”) Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Gu

March 22, 2019 S-8

VIOT / Viomi Technology Co., Ltd S-8

As filed with the Securities and Exchange Commission on March 22, 2019 Registration No.

March 22, 2019 EX-4.3

Deposit Agreement, among the Registrant, the depositary and holder of the American Depositary Receipts dated September 24, 2018 (incorporated herein by reference to Exhibit 4.3 to the Form S-8 filed on March 22, 2019 (File No. 333-230431))

Exhibit 4.3 DEPOSIT AGREEMENT by and among Viomi technology co., ltd as Issuer, DEUTSCHE BANK TRUST COMPANY AMERICAS as Depositary, AND THE HOLDERS AND BENEFICIAL OWNERS OF AMERICAN DEPOSITARY SHARES EVIDENCED BY AMERICAN DEPOSITARY RECEIPTS ISSUED HEREUNDER Dated as of September 24, 2018 Confidential 102359504v1 DEPOSIT AGREEMENT DEPOSIT AGREEMENT, dated as of September 24, 2018, by and among (i)

March 18, 2019 6-K

VIOT / Viomi Technology Co., Ltd 6-K RE 4Q (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2019 Commission File Number: 001-38649 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of Chi

March 18, 2019 EX-99.1

Viomi Technology Co., Ltd Reports Fourth Quarter and Full Year 2018 Unaudited Financial Results Fourth quarter and full year net revenues increased by 142.6% and 193.3% year-over-year, respectively, both exceeding guidance Declares special dividend o

Exhibit 99.1 Viomi Technology Co., Ltd Reports Fourth Quarter and Full Year 2018 Unaudited Financial Results Fourth quarter and full year net revenues increased by 142.6% and 193.3% year-over-year, respectively, both exceeding guidance Declares special dividend of US$0.10 per ADS or US$0.0333 per ordinary share GUANGZHOU, China, March 18, 2019 (GLOBE NEWSWIRE) - Viomi Technology Co., Ltd (“Viomi”

February 14, 2019 SC 13G

VIOT / Viomi Technology Co., Ltd / Sequoia Capital China Venture Fund V, L.p. - SC 13G Passive Investment

SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) Information Statement Pursuant to Rules 13d-1 and 13d-2 Under the Securities Exchange Act of 1934 (Amendment No. )* Viomi Technology Co., Ltd. (Name of Issuer) Class A Ordinary Shares, par value $0.00001 per share (Title of Class of Securities) 92762J103** (CUSIP Number) December 31, 2018 (Da

February 14, 2019 SC 13G

VIOT / Viomi Technology Co., Ltd / Capital Research Global Investors - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Viomi Technology Co., Ltd (Name of Issuer) Class A ordinary shares (Title of Class of Securities) 92762J103 (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant t

February 14, 2019 SC 13G

VIOT / Viomi Technology Co., Ltd / Serenity Capital LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Viomi Technology Co.

February 13, 2019 EX-99.(A)

Joint Filing Agreement by and between the Reporting Persons, dated as of February 13, 2019

EX-99.(A) Exhibit A JOINT FILING AGREEMENT In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with all other Reporting Persons (as such term is defined in the Schedule 13G referred to below) on behalf of each of them of a statement on Schedule 13G (including amendments thereto) with respect to the sha

February 13, 2019 SC 13G

VIOT / Viomi Technology Co., Ltd / Chen Xiaoping - SCHEDULE 13G Passive Investment

SCHEDULE 13G SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. )* Viomi Technology Co., Ltd (Name of Issuer) Class A ordinary shares, $0.00001 par value per share (Title of Class of Securities) 92762J 103** (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of this Statement) Check the appropriate box

February 13, 2019 SC 13G/A

VIOT / Viomi Technology Co., Ltd / MORGAN STANLEY - MS AMENDMENT Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.1)* Viomi Technology Co., Ltd - (Name of Issuer) Class A - Common Stock - (Title of Class of Securities) 92762J103 - (CUSIP Number) December 31, 2018 - (Date Of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pur

February 1, 2019 SC 13G

VIOT / Viomi Technology Co., Ltd / Xiaomi Corp - SC 13G Passive Investment

SC 13G SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. )* Viomi Technology Co., Ltd (Name of Issuer) Class A ordinary shares, $0.00001 par value per share (Title of Class of Securities) 92762J 103** (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to des

February 1, 2019 SC 13G

VIOT / Viomi Technology Co., Ltd / Shunwei China Internet Fund Ii, L.p. - SCHEDULE 13G Passive Investment

SCHEDULE 13G SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. )* Viomi Technology Co., Ltd. (Name of Issuer) Class A ordinary shares, $0.00001 par value per share (Title of Class of Securities) 92762J 103** (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of this Statement) Check the appropriate box

February 1, 2019 EX-99.(A)

JOINT FILING AGREEMENT

EX-99.(A) Exhibit A JOINT FILING AGREEMENT In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with all other Reporting Persons (as such term is defined in the Schedule 13G referred to below) on behalf of each of them of a statement on Schedule 13G (including amendments thereto) with respect to the sha

February 1, 2019 EX-99.(A)

JOINT FILING AGREEMENT

EX-99.(A) EXHIBIT A JOINT FILING AGREEMENT In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with all other Reporting Persons (as such term is defined in the Schedule 13G referred to below) on behalf of each of them of a statement on Schedule 13G (including amendments thereto) with respect to the sha

November 26, 2018 EX-99.1

Viomi Technology Co., Ltd Reports Third Quarter 2018 Unaudited Financial Results -Net revenues increased by 170.9% year-over-year to RMB565.3 million-

Exhibit 99.1 Viomi Technology Co., Ltd Reports Third Quarter 2018 Unaudited Financial Results -Net revenues increased by 170.9% year-over-year to RMB565.3 million- GUANGZHOU, China, November 26, 2018 — Viomi Technology Co., Ltd, Inc. (“Viomi” or the “Company”) (NASDAQ: VIOT), a leading IoT @ Home technology company in China, today announced its unaudited financial results for the third quarter end

November 26, 2018 6-K

VIOT / Viomi Technology Co., Ltd 6-K (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2018 Commission File Number: 001-38649 VIOMI TECHNOLOGY CO., LTD Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People’s Republic of

October 10, 2018 SC 13G

VIOT / Viomi Technology Co., Ltd / MORGAN STANLEY - MS INITIAL Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.0)* Viomi Technology Co., Ltd - (Name of Issuer) Class A - Common Stock - (Title of Class of Securities) 92762J103 - (CUSIP Number) September 27, 2018 - (Date Of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pu

September 26, 2018 424B4

11,400,000 American Depositary Shares Viomi Technology Co., Ltd Representing 34,200,000 Class A Ordinary Shares

Use these links to rapidly review the document TABLE OF CONTENTS INDEX TO THE CONSOLIDATED STATEMENTS Table of Contents Filed Pursuant to Rule 424b(4) Registration No.

September 24, 2018 CERT

CERT

The Nasdaq Stock Market LLC, 805 King Farm Blvd., Rockville, MD 20850 William Slattery, CFA Vice President Listing Qualifications By Electronic Mail September 24, 2018 Division of Corporation Finance U.S. Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Division of Corporation Finance: This is to certify that on September 11, 2018 The Nasdaq Stock Market (the "Exchange"

September 21, 2018 F-1/A

As filed with the Securities and Exchange Commission on September 21, 2018

Use these links to rapidly review the document TABLE OF CONTENTS INDEX TO THE CONSOLIDATED STATEMENTS Table of Contents As filed with the Securities and Exchange Commission on September 21, 2018 Registration No.

September 21, 2018 EX-1.1

Form of Underwriting Agreement

Exhibit 1.1 [34,200,000] Class A Ordinary Shares VIOMI TECHNOLOGY CO., LTD CLASS A ORDINARY SHARES, PAR VALUE US$0.00001 PER SHARE IN THE FORM OF AMERICAN DEPOSITARY SHARES UNDERWRITING AGREEMENT [?], 2018 MORGAN STANLEY & CO. LLC 1585 Broadway New York, New York 10036 CHINA INTERNATIONAL CAPITAL CORPORATION HONG KONG SECURITIES LIMITED 29th Floor, One International Finance Center 1 Harbour View S

September 21, 2018 CORRESP

VIOT / Viomi Technology Co., Ltd CORRESP

Morgan Stanley & Co. LLC 1585 Broadway New York, New York 10036 United States of America China International Capital Corporation Hong Kong Securities Limited 29th Floor, One International Finance Center 1 Harbour View Street, Central Hong Kong As representatives of the underwriters VIA EDGAR September 21, 2018 Mr. Robert Littlepage Mr. Joseph Cascarano Ms. Kathleen Krebs Mr. Paul Fischer Division

September 21, 2018 CORRESP

VIOT / Viomi Technology Co., Ltd CORRESP

SKADDEN, ARPS, SLATE, MEAGHER & FLOM PARTNERS 世達國際律師事務所 AFFILIATE OFFICES CHRISTOPHER W.

September 21, 2018 FWP

Viomi Technology Co., Ltd.

Issuer Free Writing Prospectus Filed Pursuant to Rule 433 Registration No. 333-227063 September 21, 2018 Viomi Technology Co., Ltd. Viomi Technology Co., Ltd., or the Company, has filed a registration statement on Form F-1 (including a prospectus) with the Securities and Exchange Commission, or the SEC, for the offering to which this free writing prospectus relates. Before you invest, you should r

September 21, 2018 CORRESP

VIOT / Viomi Technology Co., Ltd CORRESP

VIOMI TECHNOLOGY CO., LTD September 21, 2018 VIA EDGAR Mr. Robert Littlepage Mr. Joseph Cascarano Ms. Kathleen Krebs Mr. Paul Fischer Division of Corporation Finance Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Re: Viomi Technology Co., Ltd (CIK No. 0001742770) Registration Statement on Form F-1 (Registration No. 333-227063) Registration Statement on Form 8-A (Regis

September 18, 2018 TEXT-EXTRACT

VIOT / Viomi Technology Co., Ltd TEXT-EXTRACT

September 18, 2018 Xiaoping Chen Chairman and Chief Executive Officer Viomi Technology Co.

September 18, 2018 LETTER

LETTER

September 18, 2018 Xiaoping Chen Chairman and Chief Executive Officer Viomi Technology Co.

September 11, 2018 F-6

AUKUF / AMS AG F-6

As filed with the Securities and Exchange Commission on September 11, 2018 Registration No.

September 11, 2018 EX-4

Form of Deposit Agreement

Exhibit 4 DEPOSIT AGREEMENT by and among Viomi technology co., ltd as Issuer, DEUTSCHE BANK TRUST COMPANY AMERICAS as Depositary, AND THE HOLDERS AND BENEFICIAL OWNERS OF AMERICAN DEPOSITARY SHARES EVIDENCED BY AMERICAN DEPOSITARY RECEIPTS ISSUED HEREUNDER Dated as of [●], 2018 DEPOSIT AGREEMENT DEPOSIT AGREEMENT, dated as of [●], 2018, by and among (i) Viomi Technology Co., Ltd, a company incorpo

September 11, 2018 EX-10.5

English translation of executed form of shareholder voting proxy agreement among a VIE of the Registrant, its shareholders and the WFOE of the Registrant as currently in effect, and a schedule of all executed shareholder voting proxy agreements adopting the same form in respect of each of the VIEs of the Registrant

Exhibit 10.5 Voting Proxy Agreement The Voting Proxy Agreement (hereinafter referred to as the ?Agreement?) is entered into by the following parties on [Execution Date]: 1. All the shareholders listed in Annex I (hereinafter individually and collectively referred to as the ?Shareholders?) 2. [Name of WFOE] (hereinafter referred to as the ?Sole Proprietorship?) Registered address: Legal representat

September 11, 2018 CORRESP

VIOT / Viomi Technology Co., Ltd CORRESP

SKADDEN, ARPS, SLATE, MEAGHER & FLOM PARTNERS 世達國際律師事務所 AFFILIATE OFFICES CHRISTOPHER W.

September 11, 2018 EX-4.3

Registrant’s Specimen American Depositary Receipt (included in Exhibit 4.3) (incorporated herein by reference to Exhibit 4.3 to the Form F-1/A filed on September 11, 2018 (File No. 333-227063))

Exhibit 4.3 DEPOSIT AGREEMENT by and among VIOMI TECHNOLOGY CO., LTD as Issuer, DEUTSCHE BANK TRUST COMPANY AMERICAS as Depositary, AND THE HOLDERS AND BENEFICIAL OWNERS OF AMERICAN DEPOSITARY SHARES EVIDENCED BY AMERICAN DEPOSITARY RECEIPTS ISSUED HEREUNDER Dated as of [?], 2018 Confidential DEPOSIT AGREEMENT DEPOSIT AGREEMENT, dated as of [?], 2018, by and among (i) Viomi Technology Co., Ltd, a

September 11, 2018 EX-4.2

Registrant’s Specimen Certificate for Class A Ordinary Shares (incorporated herein by reference to Exhibit 4.2 to the Form F-1/A filed on September 11, 2018 (File No. 333-227063))

Exhibit 4.2 VIOMI TECHNOLOGY CO., LTO Number Shares Incorporated under the laws of the Cayman Islands Share capital is US$50,000 divided into 5,000,000,000 shares comprising of (i) 4,800,000,000 Class A Ordinary Shares of a par value of US$0.00001 each, (ii) 150,000,000 Class B Ordinary Shares of a par value of US$0.00001 each, and (iii) 50,000,000 shares of a par value of US$0.00001 each of such

September 11, 2018 EX-10.6

English translation of executed form of equity pledge agreement among a VIE of the Registrant, its shareholders, and the WFOE of the Registrant, as currently in effect, and a schedule of all executed equity pledge agreements adopting the same form in respect of each of the VIEs of the Registrant

Exhibit 10.6 Equity Pledge Agreement This Equity Pledge Agreement (hereinafter referred to as ?this Agreement?) was executed by and among the following parties on [Execution Date]: 1. Respective shareholders set out in Annex I (hereinafter individually and collectively referred to as the ?Pledgors?) 2 [Name of Pledgee] (hereinafter referred to as the ?Pledgee?) Registered address: Legal representa

September 11, 2018 8-A12B

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Viomi Technology Co., Ltd (Exact name of regist

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Viomi Technology Co., Ltd (Exact name of registrant as specified in its charter) Cayman Islands Not Applicable (State of incorporation or organization) (I.R.S. Employer Identification No.) Wansheng

September 11, 2018 TEXT-EXTRACT

VIOT / Viomi Technology Co., Ltd TEXT-EXTRACT

September 7, 2018 Xiaoping Chen Chairman and Chief Executive Officer Viomi Technology Co.

September 11, 2018 EX-10.8

English translation of executed form of exclusive option agreement among a VIE of the Registrant, its shareholders, and the WFOE of the Registrant, as currently in effect, and a schedule of all executed exclusive option agreements adopting the same form in respect of each of the VIEs of the Registrant

Exhibit 10.8 Exclusive Option Agreement This Exclusive Option Agreement (hereinafter referred to as ?this Agreement?) was entered into between the following parties on [Execution Date]: 1. Respective individual shareholders set out in Annex I (hereinafter individually and collectively referred to as ?Existing Shareholders?) 2. [Name of WFOE] (hereinafter referred to as the ?WFOE?) Registered addre

September 11, 2018 LETTER

LETTER

September 7, 2018 Xiaoping Chen Chairman and Chief Executive Officer Viomi Technology Co.

September 11, 2018 F-1/A

As filed with the Securities and Exchange Commission on September 11, 2018

Use these links to rapidly review the document TABLE OF CONTENTS INDEX TO THE CONSOLIDATED STATEMENTS Table of Contents As filed with the Securities and Exchange Commission on September 11, 2018 Registration No.

August 28, 2018 EX-99.2

Opinion of Han Kun Law Offices regarding certain PRC tax matters (included in Exhibit 99.2)

Exhibit 99.2 ? ? ? ? ? ? ? HAN KUN LAW OFFICES 9/F, Office Tower C1, Oriental Plaza, 1 East Chang An Avenue, Beijing 100738, P. R. China TEL: (86 10) 8525 5500; FAX: (86 10) 8525 5511 / 8525 5522 ?? Beijing ? ?? Shanghai ? ?? Shenzhen ? ?? Hong Kong www.hankunlaw.com July 30, 2018 To: Viomi Technology Co., Ltd (the ?Company?) Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District Gua

August 28, 2018 EX-10.2

2018 Share Incentive Plan

Exhibit 10.2 VIOMI TECHNOLOGY CO., LTD 2018 SHARE INCENTIVE PLAN ARTICLE 1 PURPOSE The purpose of this 2018 Share Incentive Plan (the ?Plan?) is to promote the success and enhance the value of Viomi Technology Co., Ltd, an exempted company formed under the laws of the Cayman Islands (the ?Company?), by linking the personal interests of the Directors, Employees, and Consultants to those of the Comp

August 28, 2018 EX-21.1

Principal subsidiaries and variable interest entities of the Registrant

Exhibit 21.1 List of Principal Subsidiaries and Variable Interest Entities of the Registrant Subsidiary Place of Incorporation Viomi HK Technology Co., Limited Hong Kong Lequan Technology (Beijing) Co., Ltd. People?s Republic of China Variable Interest Entity Place of Incorporation Foshan Yunmi Electric Appliances Technology Co., Ltd People?s Republic of China Beijing Yunmi Technology Co., Ltd Peo

August 28, 2018 EX-3.1

Amended and Restated Memorandum and Articles of Association of the Registrant, as currently in effect

Exhibit 3.1 THE COMPANIES LAW (2013 REVISION) OF THE CAYMAN ISLANDS EXEMPTED COMPANY LIMITED BY SHARES AMENDED AND RESTATED MEMORANDUM OF ASSOCIATION OF Viomi Technology Co., Ltd (As Adopted by way of Special Resolutions passed on July 21, 2015) NAME 1. The name of the Company is Viomi Technology Co., Ltd. REGISTERED OFFICE 2. The Registered Office of the Company shall be at the offices of the off

August 28, 2018 EX-99.3

Consent of iResearch

Exhibit 99.3 Shanghai iResearch Co., Ltd, China R701 Tower B, Zhongjin International, Caoxi North No. 333, Xuhui District Shanghai, China 30 July, 2018 Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C Xingang East Road, Haizhu District Guangzhou, Guangdong, 510220 People?s Republic of China Re: Consent of iResearch Ladies and Gentlemen, We, Shanghai iResearch Co., Ltd., China, understand

August 28, 2018 F-1

Powers of Attorney (included on signature page)

Use these links to rapidly review the document TABLE OF CONTENTS INDEX TO THE CONSOLIDATED STATEMENTS Table of Contents As filed with the Securities and Exchange Commission on August 28, 2018 Registration No.

August 28, 2018 EX-3.2

Second Amended and Restated Memorandum and Articles of Association of the Registrant, effective September 24, 2018 (incorporated herein by reference to Exhibit 3.2 to the Form F-1 filed on August 28, 2018 (File No. 333-227063))

Exhibit 3.2 THE COMPANIES LAW (2018 REVISION) OF THE CAYMAN ISLANDS COMPANY LIMITED BY SHARES SECOND AMENDED AND RESTATED MEMORANDUM OF ASSOCIATION OF VIOMI TECHNOLOGY CO., LTD (adopted by a Special Resolution passed on August 23, 2018 and effective immediately prior to the completion of the initial public offering of the Company?s American Depositary Shares representing its Class A Ordinary Share

August 28, 2018 EX-4.4

Shareholders Agreement between the Registrant and other parties thereto dated April 29, 2015 (incorporated herein by reference to Exhibit 4.4 to the Form F-1 filed on August 28, 2018 (File No. 333-227063))

Exhibit 4.4 SHAREHOLDERS AGREEMENT THIS SHAREHOLDERS AGREEMENT (this ?Agreement?) is made and entered into as of July 21, 2015 by and among: 1. Viomi Technology Co., Ltd, an exempted company with limited liability organized and existing under the laws of the Cayman Islands (the ?Company?); 2. Viomi Limited, a company organized and existing under the laws of the British Virgin Islands (the ?BVI Co.

August 28, 2018 CORRESP

VIOT / Viomi Technology Co., Ltd CORRESP

PARTNERS CHRISTOPHER W. BETTS WILL H. CAI ^ GEOFFREY CHAN * ANDREW L. FOSTER * CHI T. STEVE KWOK * EDWARD H.P. LAM ¨* HAIPING LI * RORY MCALPINE ¨ CLIVE W. ROUGH ¨ JONATHAN B. STONE * SKADDEN, ARPS, SLATE, MEAGHER & FLOM 世達國際律師事務所 42/F, EDINBURGH TOWER, THE LANDMARK 15 QUEEN’S ROAD CENTRAL, HONG KONG TEL: (852) 3740-4700 FAX: (852) 3740-4727 www.skadden.com AFFILIATE OFFICES BOSTON CHICAGO HOUSTON

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