If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).




schemaVersion:


SCHEDULE 13D




Comment for Type of Reporting Person:
(1) Comprised of (i) 0 Class A Ordinary Shares and 1,428,571 Class B Ordinary Shares owned by Hong Zhifang; and (ii) 0 Class A Ordinary Shares and 5,449,600 Class B Ordinary Shares owned by RongStar Holdings Ltd, an entity wholly owned by Hong Zhifang. Therefore, Hong Zhifang has the voting and dispositive control over the shares held by RongStar Holdings Ltd. 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 Class B ordinary shares is entitled to twenty votes per share on all matters submitted to them for vote. (2) Percentage of class is calculated based on 33,239,285 Ordinary Shares, consisting of 26,361,114 Class A Ordinary Shares and 6,878,171 Class B Ordinary Shares outstanding as of April 24, 2026, which information was provided by the Issuer to the Reporting Persons on April 24, 2026.


SCHEDULE 13D




Comment for Type of Reporting Person:
(1) RongStar Holdings Ltd is 100% owned by Hong Zhifang. Accordingly, Hong Zhifang has the sole voting and dispositive power over these shares. 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 Class B ordinary shares is entitled to twenty votes per share on all matters submitted to them for vote. (2) Percentage of class is calculated based on 33,239,285 Ordinary Shares, consisting of 26,361,114 Class A Ordinary Shares and 6,878,171 Class B Ordinary Shares outstanding as of April 24, 2026, which information was provided by the Issuer to the Reporting Persons on April 24, 2026.


SCHEDULE 13D


 
Hong Zhifang
 
Signature:/s/ Hong Zhifang
Name/Title:Hong Zhifang
Date:04/28/2026
 
RongStar Holdings Ltd
 
Signature:/s/ Hong Zhifang
Name/Title:Hong Zhifang/ Director
Date:04/28/2026