On November 27, Gelonhui triumph science & technology (600552.SH) announced that the board of directors received the written resignation report from Ms. Sun Lei, the general manager and CFO of the company, on November 26, 2024. Due to reaching the retirement age, Ms. Sun Lei applied to resign from the positions of general manager and CFO. In accordance with the Company Law and the Articles of Association, Ms. Sun Lei's resignation did not result in the board of directors falling below the statutory number, and her resignation will not affect the normal operation of the board of directors. The resignation report will take effect upon delivery to the board. After her resignation, Ms. Sun Lei will no longer hold any position in the company.

By nomination of the chairman of the board and approval of the nomination committee of the board of directors, Mr. Liu Yuquan was appointed as the general manager of the company. The term of office is from the date of approval by this board of directors until the expiration of this term of the board of directors. By nomination of the general manager of the company and approval of the nomination committee of the board of directors, Ms. Sun Nali was appointed as the vice general manager of the company, and Mr. Chen Xing was appointed as the CFO of the company. The term of office is from the date of approval by this board of directors until the expiration of this term of the board of directors.