交大思诺董事长被实施留置 其曾经是北京交通大学老师，上周四还主持公司临时股东大会

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]