On December 23, Gelonghui reported that Sunstone Development (603612.SH) announced that it recently received the resignation report from Mr. Hao Junwen, Director and General Manager. Mr. Hao Junwen resigned from his positions as company Director, member of the Board of Directors Nomination Committee, and General Manager due to personal reasons. After his resignation, Mr. Hao Junwen will no longer hold any position in the company. As of the date of this announcement, Mr. Hao Junwen directly Holds 424,900 shares of the company through the company's 2020 stock Options and restricted stock incentive plan, which have all been released from restrictions.

On December 23, 2024, the company held the 17th meeting of the 5th Board of Directors and passed the proposal on the appointment of the company's General Manager. Nominated by the Chairman of the company, reviewed and approved by the Board of Directors Nomination Committee, the company's Board of Directors agreed to appoint Ms. Lang Jing as the General Manager of the company, who will no longer serve as the Deputy General Manager, with a term beginning from the date of the Board of Directors' approval until the expiration of the 5th Board of Directors' term.