SCHEDULE 13G/A 0001605104 XXXXXXXX LIVE 4 Class A ordinary shares, $0.00001 par value per share 06/30/2025 0001742770 Viomi Technology Co., Ltd. 92762J103 Wansheng Square, Rm 1302 Tower C Xingang East Road, Haizhu District Guangzhou, Guangdong F4 510220 Rule 13d-1(d) Koh Tuck Lye U0 22550175.00 0.00 22550175.00 0.00 22550175.00 N 22.1 IN For rows 5, 7 and 9: Represents 22,550,175 Class A ordinary shares (represented by 7,516,725 ADSs) held by Shunwei Talent Limited. Shunwei Talent Limited is wholly owned by Shunwei China Internet Fund II, L.P. The general partner of Shunwei China Internet Fund II, L.P. is Shunwei Capital Partners II GP, L.P., and the general partner of Shunwei Capital Partners II GP, L.P. is Shunwei Capital Partners II GP Limited, which is controlled by Mr. Koh Tuck Lye. Shunwei Capital Partners II GP Limited E9 22550175.00 0.00 22550175.00 0.00 22550175.00 N 22.1 CO For rows 5, 7 and 9: Represents 22,550,175 Class A ordinary shares (represented by 7,516,725 ADSs) held by Shunwei Talent Limited. Shunwei Talent Limited is wholly owned by Shunwei China Internet Fund II, L.P. The general partner of Shunwei China Internet Fund II, L.P. is Shunwei Capital Partners II GP, L.P., and the general partner of Shunwei Capital Partners II GP, L.P. is Shunwei Capital Partners II GP Limited. Shunwei Capital Partners II GP, L.P. E9 22550175.00 0.00 22550175.00 0.00 22550175.00 N 22.1 PN For rows 5, 7 and 9: Represents 22,550,175 Class A ordinary shares (represented by 7,516,725 ADSs) held by Shunwei Talent Limited. Shunwei Talent Limited is wholly owned by Shunwei China Internet Fund II, L.P. The general partner of Shunwei China Internet Fund II, L.P. is Shunwei Capital Partners II GP, L.P. Shunwei China Internet Fund II, L.P. E9 22550175.00 0.00 22550175.00 0.00 22550175.00 N 22.1 PN For rows 5, 7 and 9: Represents 22,550,175 Class A ordinary shares (represented by 7,516,725 ADSs) held by Shunwei Talent Limited. Shunwei Talent Limited is wholly owned by Shunwei China Internet Fund II, L.P. Shunwei Talent Limited D8 22550175.00 0.00 22550175.00 0.00 22550175.00 N 22.1 CO Viomi Technology Co., Ltd. Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District, Guangzhou, Guangdong, 510220, People's Republic of China (i) Koh Tuck Lye, (ii) Shunwei Capital Partners II GP Limited, (iii) Shunwei Capital Partners II GP, L.P., (iv) Shunwei China Internet Fund II, L.P., and (v) Shunwei Talent Limited (collectively, the "Reporting Persons") (i) Koh Tuck Lye 111 Somerset Road, TripleOne Somerset, #07-07 Singapore 238164 (ii) Shunwei Capital Partners II GP Limited Campbells Corporate Services Limited, Floor 4, Willow House, Cricket Square, PO Box 268, Grand Cayman KY1-1104, Cayman Islands (iii) Shunwei Capital Partners II GP, L.P. Campbells Corporate Services Limited, Floor 4, Willow House, Cricket Square, PO Box 268, Grand Cayman KY1-1104, Cayman Islands (iv) Shunwei China Internet Fund II, L.P. Campbells Corporate Services Limited, Floor 4, Willow House, Cricket Square, PO Box 268, Grand Cayman KY1-1104, Cayman Islands (v) Shunwei Talent Limited Vistra Corporate Services Center, Wickhams Cay II, Road Town, Tortola, VG 1110, British Virgin Islands (i) Koh Tuck Lye - Singapore (ii) Shunwei Capital Partners II GP Limited - Cayman Islands (iii) Shunwei Capital Partners II GP, L.P. - Cayman Islands (iv) Shunwei China Internet Fund II, L.P. - Cayman Islands (v) Shunwei Talent Limited - British Virgin Islands Y The information required by Item 4(a) is set forth in Row 9 of the cover page for each Reporting Person and is incorporated herein by reference. The information required by Item 4(b) is set forth in Row 11 of the cover page for each Reporting Person and is incorporated herein by reference. The information required by Item 4(c)(i) is set forth in Row 5 of the cover page for each Reporting Person and is incorporated herein by reference. As of June 30, 2025, 22,550,175 Class A ordinary shares (represented by 7,516,725 ADSs) were directly held by Shunwei Talent Limited. Shunwei Talent Limited is wholly owned by Shunwei China Internet Fund II, L.P. The general partner of Shunwei China Internet Fund II, L.P. is Shunwei Capital Partners II GP, L.P., and the general partner of Shunwei Capital Partners II GP, L.P. is Shunwei Capital Partners II GP Limited, which is controlled by Mr. Koh Tuck Lye. The percentage of class of securities beneficially owned by each Reporting Person is based on 101,932,544 Class A ordinary shares of the Issuer as of February 29, 2024, and the percentage of aggregate voting power is based on 101,932,544 Class A ordinary shares and 102,764,550 Class B ordinary shares of the Issuer as of February 29, 2024, as disclosed in the Issuer's annual report for the fiscal year of 2023. Class B ordinary shares are convertible at any time by the holder thereof into Class A ordinary shares on a one-for-one basis. Class A ordinary shares are not convertible into Class B ordinary shares under any circumstances. Each holder of Class A ordinary shares is entitled to one vote per share and each holder of our Class B ordinary shares is entitled to ten votes per share on all matters submitted to them for vote. The information required by Item 4(c)(ii) is set forth in Row 6 of the cover page for each Reporting Person and is incorporated herein by reference. The information required by Item 4(c)(iii) is set forth in Row 7 of the cover page for each Reporting Person and is incorporated herein by reference. The information required by Item 4(c)(iv) is set forth in Row 8 of the cover page for each Reporting Person and is incorporated herein by reference. Y Y Y Y Y Y LIST OF EXHIBITS Exhibit No. Description A* Joint Filing Agreement by and among the Reporting Persons as Exhibit 99.(A) to the Schedule 13G filed with the U.S. Securities and Exchange Commission on February 1, 2019 * Previously filed Koh Tuck Lye /s/ Koh Tuck Lye 08/13/2025 Shunwei Capital Partners II GP Limited /s/ Koh Tuck Lye 08/13/2025 Shunwei Capital Partners II GP, L.P. /s/ Koh Tuck Lye 08/13/2025 Shunwei China Internet Fund II, L.P. /s/ Koh Tuck Lye 08/13/2025 Shunwei Talent Limited /s/ Koh Tuck Lye 08/13/2025