Chang Guanghua Xin: Du Jia, the Corporate Secretary, resigns from his position due to personal health reasons.

Sina Finance reported on March 31 that Changguang Huaxin announced that the company's board of directors recently received a written resignation report from the board secretary Du Jia. She applied for resignation due to personal health reasons and will no longer hold any position in the company after resigning. Du Jia's resignation will not affect the normal operation of the company's board of directors and daily production and operation management. The company will promptly appoint a new board secretary according to regulations. In the meantime, the duties will be temporarily performed by the chairman and general manager Min Dayong.