步长制药(603858.SH)：注销参股公司成都国生生物医药科技有限公司

Core Viewpoint - The company announced the completion of the business deregistration of its subsidiary Chengdu Guosheng Biopharmaceutical Technology Co., Ltd. [1] Group 1 - The company is a major player in the pharmaceutical industry, with a focus on biotechnology [1] - Chengdu Guosheng Biopharmaceutical Technology Co., Ltd. was a joint venture under the company's subsidiary Changrui Biotechnology (Chengdu) Co., Ltd. [1] - The deregistration process was officially completed, and the company received a registration notice from the Chengdu High-tech Zone Market Supervision Administration [1]