两跌停！百亿A股高管，被立案调查

Core Viewpoint - The article reports that Zhao Jianzhou, the director and deputy general manager of Siwei Railway Control, has been detained and is under investigation by the Tianjin Binhai New Area Supervisory Committee, which may impact the company's operations and governance [2][4]. Company Overview - Siwei Railway Control was established in 1992 and specializes in railway transportation safety technology research and application software development. It is a designated enterprise for railway equipment and was the first A-share listed company in China's train control sector in December 2015 [4]. Management and Shareholding - Zhao Jianzhou, born in March 1960, has a college degree and has held various positions, including chairman and general manager of Henan Lanxin Technology Co., Ltd. As of June 30, 2024, he held 43.4865 million shares, representing an 11.41% stake in the company [4]. Financial Performance - In the first three quarters of the year, Siwei Railway Control achieved revenue of 953 million yuan, a year-on-year increase of 5.25%. The net profit attributable to shareholders was 396 million yuan, reflecting a growth of 20.98% [5]. - The company's stock price has been declining, with consecutive trading halts on October 31 and November 3, closing at 26.93 yuan per share on November 3, resulting in a market capitalization of 10.3 billion yuan [5]. Current Status - As of the announcement date, the company and its subsidiaries have not received any notifications from relevant authorities regarding the investigation, and other board members and senior management are continuing their duties normally [4].