九芝堂换帅，王立峰接任公司董事长

Core Viewpoint - Jiuzhitang Co., Ltd. has undergone significant management changes, with Wang Lifeng appointed as the new chairman, replacing Sun Guangyuan, who has resigned from his positions [1]. Group 1: Company Overview - Jiuzhitang was established in May 1999 with a registered capital of approximately 860 million RMB [1]. - The company operates in the pharmaceutical sector, including drug production, wholesale, and retail [1]. - Major shareholders include Heilongjiang Cheneng Gongda Venture Capital Co., Ltd., Li Zhenguo, and Hunan Yifeng Pharmaceutical Co., Ltd. [1]. Group 2: Management Changes - Recent changes in the company's management include the resignation of Sun Guangyuan as the legal representative and chairman, with Wang Lifeng taking over these roles [1]. - Additional high-level executive changes have also occurred, although specific details on all individuals involved were not provided [3].