九强生物：副董事长、总经理梁红军离任

Core Points - Liang Hongjun has resigned from his positions as Vice Chairman, Director, and General Manager of Jiukang Biological due to work relocation [1] - Following the resignation, Liang will no longer hold any position within the company [1] - During the interim period of the General Manager vacancy, Chairman Zou Zuojuan will assume the responsibilities of the General Manager until a new appointment is made [1]