交大思诺（300851）(300851.SZ)发布公告，2025年12月1日，公司收到天津市滨海新区监察委员会出具 的《解除留置通知书》，天津市滨海新区监察委员会已解除对李伟先生的留置措施。目前，李伟先生已 能正常履行公司董事长、法定代表人及在公司董事会相关委员会成员的职责，公司生产经营情况正常。 张民先生将不再代为履行公司董事长、法定代表人及李伟先生在公司董事会相关委员会成员的职责。 ...

智通财经APP讯，交大思诺(300851.SZ)发布公告，2025年12月1日，公司收到天津市滨海新区监察委员 会出具的《解除留置通知书》，天津市滨海新区监察委员会已解除对李伟先生的留置措施。目前，李伟 先生已能正常履行公司董事长、法定代表人及在公司董事会相关委员会成员的职责，公司生产经营情况 正常。张民先生将不再代为履行公司董事长、法定代表人及李伟先生在公司董事会相关委员会成员的职 责。 ...

Core Viewpoint - The company announced the lifting of the detention measures against its chairman, Li Wei, allowing him to resume his duties as of December 1, 2025 [1] Group 1 - On September 30, 2025, the company disclosed that chairman Li Wei was subjected to detention [1] - The company received a notification from the Tianjin Binhai New Area Supervisory Committee on December 1, 2025, confirming the lifting of the detention [1] - Li Wei is now able to perform his responsibilities as chairman, and the company's production and operational status remains normal [1]

交大思诺公告，公司董事长李伟于2025年12月1日收到天津市滨海新区监察委员会出具的《解除留置通 知书》，已解除对李伟的留置措施。目前，李伟已能正常履行公司董事长、法定代表人及在公司董事会 相关委员会成员的职责，公司生产经营情况正常。张民先生将不再代为履行公司董事长、法定代表人及 李伟先生在公司董事会相关委员会成员的职责。 ...

证券代码：300851 证券简称： 交大思诺 公告编号：2025-047 北京交大思诺科技股份有限公司 董事会 2025 年 12 月 1 日 北京交大思诺科技股份有限公司（以下简称"公司"）于 2025 年 9 月 30 日 披露《关于公司重大事项的公告》（公告编号：2025-040），公司董事长李伟先生 被天津市滨海新区监察委员会实施留置。 2025 年 12 月 1 日，公司收到天津市滨海新区监察委员会出具的《解除留 置通知书》，天津市滨海新区监察委员会已解除对李伟先生的留置措施。目前， 李伟先生已能正常履行公司董事长、法定代表人及在公司董事会相关委员会成员 的职责，公司生产经营情况正常。张民先生将不再代为履行公司董事长、法定代 表人及李伟先生在公司董事会相关委员会成员的职责。 公司指定信息披露媒体为《证券日报》《证券时报》和巨潮资讯网，公司发 布的信息均以在上述媒体刊登的公告为准。敬请广大投资者注意投资风险。 特此公告。 北京交大思诺科技股份有限公司 关于公司董事长解除留置的公告 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有虚假 记载、误导性陈述或重大遗漏。 ...

Core Viewpoint - The rail transit equipment sector experienced a slight decline of 0.02% on November 26, with notable movements in individual stocks, particularly a drop in Jiao Da Si Nuo [1] Stock Performance Summary - The Shanghai Composite Index closed at 3864.18, down 0.15%, while the Shenzhen Component Index rose to 12907.83, up 1.02% [1] - Key performers in the rail transit equipment sector included: - Gongda Gaoke (688367) with a closing price of 28.85, up 7.49% on a trading volume of 71,300 shares and a turnover of 202 million yuan - Jinchuan Group (603680) closed at 11.12, up 2.30% with a trading volume of 156,600 shares and a turnover of 175 million yuan - China CRRC (601766) closed at 7.27, up 0.55% with a trading volume of 850,900 shares and a turnover of 615 million yuan - Other notable stocks included China Railway Materials (000927) and Bide Technology (605298) with minor gains [1] Capital Flow Analysis - The rail transit equipment sector saw a net outflow of 6.0048 million yuan from institutional investors, while retail investors experienced a net outflow of 46.4598 million yuan, indicating a mixed sentiment in the market [2] - Notable capital flows for specific stocks included: - China CRRC had a net inflow of 1.05 billion yuan from institutional investors, but a net outflow of 15.3307 million yuan from retail investors [3] - Jinchuan Group saw a net inflow of 490.52 million yuan from retail investors, while experiencing a minor outflow from institutional investors [3]

（文章来源：证券日报） 证券日报网讯交大思诺11月24日在互动平台回答投资者提问时表示，截至2025年11月20日公司股东总数 为8632户。 ...

证券日报网讯交大思诺（300851）11月13日在互动平台回答投资者提问时表示，截至2025年11月10日公 司股东总数为8762户。 ...

Core Viewpoint - The rail transit equipment sector experienced a slight decline of 0.07% on November 10, with Tianyi New Materials leading the losses, while the Shanghai Composite Index rose by 0.53% and the Shenzhen Component Index increased by 0.18% [1] Summary by Category Market Performance - The rail transit equipment sector's performance was mixed, with individual stocks showing varied results in terms of price changes and trading volumes [1] - The closing prices and percentage changes of key stocks in the sector were as follows: - Gongda Gaoke: 23.77, +5.88% - China Communication Signal: 5.50, +2.23% - Xianghe Industry: 12.49, +1.71% - Zhonghe Technology: 8.23, +1.48% - Tieke Railway: 22.76, +1.47% - Shenzhou High-speed Railway: 3.00, +1.35% - Jiuzhou Yitui: 15.44, +1.11% - Yonggui Electric: 18.38, +1.10% - Changqing Technology: 20.22, +0.50% - Jiaokong Technology: 24.11, +0.42% [1] Stock Declines - Tianzhi New Materials saw the largest decline at -13.63%, followed by other notable declines: - Leirwei: -3.39% - Kanni Electromechanical: -2.03% - Bidetech: -1.61% - Tongke Technology: -1.40% - Quandu Heavy Industry: -1.17% [2] Capital Flow - The rail transit equipment sector experienced a net outflow of 110 million yuan from institutional investors, while retail investors saw a net inflow of 7.1352 million yuan [2] - The capital flow for key stocks indicated: - Shenzhou High-speed Railway: 12.2845 million yuan net inflow from institutions - Changqing Technology: 8.4701 million yuan net inflow from institutions - Gongda Gaoke: 8.2147 million yuan net inflow from institutions [3]

（文章来源：证券日报） 证券日报网讯交大思诺11月4日在互动平台回答投资者提问时表示，截至2025年10月31日公司股东总数 为8821户。 ...