交大思诺9月30日晚间发布公告称，公司于近日收到公司董事长李伟家属的通知，其收到由天津市滨海 新区监察委员会签发的关于李伟的《留置通知书》，李伟被实施留置。 （文章来源：中国证券报） 公告称，鉴于李伟暂无法履行董事长职责，为了保证公司董事会正常运作和经营决策的顺利开展，维护 公司经营和治理的稳定性，公司于9月29日召开第四届董事会第八次会议，同意由公司董事、副总经理 张民代为履行公司董事长、法定代表人的全部职责及李伟在公司董事会相关委员会成员的职责，同时授 权张民代表公司对外签署重大合同、招投标文件及定期报告等相关文件。代行职责的期限自推举之日起 至李伟恢复履行职责或公司选举产生新任相关职务人员之日止。 交大思诺称，公司拥有完善的治理结构及内部控制机制，日常经营管理由公司高管团队负责。目前公司 生产经营管理情况一切正常，其他董事、高级管理人员均正常履职，董事会依法履行相关职责。 截至公告披露日，公司尚未知悉上述事项的进展及结论。公司将持续关注后续进展，对相关工作进行妥 善安排，并按照有关法律、法规的规定和要求，及时履行信息披露义务。 上半年业绩下滑 2025年上半年，公司实现营业收入1.28亿元，同比下降18 ...

交大思诺称，公司拥有完善的治理结构及内部控制机制，日常经营管理由公司高管团队负责。目前公司 生产经营管理情况一切正常，其他董事、高级管理人员均正常履职，董事会依法履行相关职责。 登录新浪财经APP 搜索【信披】查看更多考评等级 交大思诺9月30日晚间发布公告称，公司于近日收到公司董事长李伟家属的通知，其收到由天津市滨海 新区监察委员会签发的关于李伟的《留置通知书》，李伟被实施留置。 对此，交大思诺证券部工作人员回应中国证券报记者称，公司内部于9月28日知悉此事，当日发布召集 董事会的通知，9月29日召开董事会，董事会同意由公司董事、副总经理张民代为履行公司董事长、法 定代表人的全部职责及李伟在公司董事会相关委员会成员的职责。按照信披要求，公司要在两个交易日 之内公布董事长留置的消息，期间需与家属等方面确认细节。 由公司副总经理代为履行董事长职责 公告称，鉴于李伟暂无法履行董事长职责，为了保证公司董事会正常运作和经营决策的顺利开展，维护 公司经营和治理的稳定性，公司于9月29日召开第四届董事会第八次会议，同意由公司董事、副总经理 张民代为履行公司董事长、法定代表人的全部职责及李伟在公司董事会相关委员会成员的职责 ...

Group 1 - Company Chairman Li Wei has been placed under detention, and Vice General Manager Zhang Min will assume his responsibilities [1][2] - The company held a board meeting on September 29, 2025, to authorize Zhang Min to act as the Chairman and legal representative until Li Wei resumes his duties or a new appointment is made [2] - The company maintains that its operational management is normal and that other board members and senior management are fulfilling their roles [2] Group 2 - Company revenue for the first half of the year was 128 million yuan, a year-on-year decline of 18.48%, with net profit attributable to shareholders at 12.19 million yuan, down 51.64% [4] - The company has consistently maintained annual revenue around 300 million yuan [4] - Founded in 2001, the company specializes in rail transit, focusing on control system equipment such as responder systems and train signal devices [4]

Group 1 - The stock price of Jiao Da Si Nuo decreased by 2.21% on September 3, reaching 27.02 CNY per share, with a total market value of 2.349 billion CNY [1] - The company has seen a year-to-date stock price increase of 3.64%, but a decline of 3.15% over the last five trading days and 8.25% over the last twenty days [1] - Jiao Da Si Nuo's main business involves the research, design, production, sales, and technical support of key equipment for train operation control systems, with revenue composition including 42.10% from responder systems, 26.11% from locomotive signal CPU components, and 24.76% from track circuit readers [1] Group 2 - As of August 29, the number of shareholders for Jiao Da Si Nuo was 8,739, a decrease of 4.48%, while the average circulating shares per person increased by 4.69% to 6,191 shares [2] - For the first half of 2025, Jiao Da Si Nuo reported a revenue of 128 million CNY, a year-on-year decrease of 18.48%, and a net profit attributable to shareholders of 12.1868 million CNY, down 51.64% year-on-year [2] - The company has distributed a total of 196 million CNY in dividends since its A-share listing, with 106 million CNY distributed over the past three years [3]