每经头条（nbdtoutiao）——处方药变"瘾品"：国内首次报告普瑞巴林滥用致成瘾病例，网络平台暴 露"无病历可购药"漏洞，列管与否尚需科学考量 2024年1至12月份，中触媒的营业收入构成为：化学试剂和助剂制造业占比98.82%，其他业务占比 1.18%。 截至发稿，中触媒市值为51亿元。 （记者 王晓波） 每经AI快讯，中触媒（SH 688267，收盘价：28.89元）12月8日晚间发布公告称，公司于2025年12月8日 收到持股5%以上股东王婧的通知，获悉其所持有公司的部分股份办理了解除质押手续，本次解除质押 70万股。截至本次解除质押日，中触媒新材料股份有限公司股东王婧直接持有公司股份904万股，占公 司总股本比例为5.13%。本次解除质押后，其累计质押公司股份834万股，占其持股总数的92.26%，占 公司总股本的4.73%。 ...

Core Viewpoint - The company Zhongchumai announced a planned share buyback by its controlling shareholder, indicating confidence in the company's future development and long-term investment value [1] Group 1: Share Buyback Announcement - Zhongchumai Group plans to increase its stake in Zhongchumai New Materials Co., Ltd. starting from November 25, 2025, over a period of 12 months [1] - The total amount for the share buyback will be no less than RMB 42 million and no more than RMB 80 million [1] Group 2: Financial Performance - For the year 2024, Zhongchumai's revenue composition is as follows: 98.82% from the chemical reagents and additives manufacturing industry, and 1.18% from other businesses [1] - As of the report date, Zhongchumai's market capitalization is RMB 4.7 billion [1]

Group 1 - The major shareholder Wang Jing holds approximately 10.38 million shares of Zhongchumai, accounting for about 5.89% of the total share capital [2] - Wang Jing plans to reduce her holdings by no more than 1.76 million shares, which is up to 1% of the total share capital, within three months starting from 15 trading days after the announcement [2] - The revenue composition for Zhongchumai in 2024 is 98.82% from the chemical reagents and additives manufacturing industry, with other businesses contributing 1.18% [2]