科华生物：聘任臧显峰为公司财务总监

Group 1 - The core business of Kehua Bio is entirely focused on the biopharmaceutical sector, with a revenue composition of 100% from biological products for the year 2024 [1] Group 2 - On July 31, Kehua Bio announced the resignation of Ms. Luo Fang from the position of Chief Financial Officer due to retirement, along with her other roles in the company's subsidiaries [3] - The company has appointed Mr. Zang Xianfeng as the new Chief Financial Officer, following a nomination by the company's president and approval by the board of directors [3]