Group 1 - The core stock price of Jiao Da Si Nuo increased by 2.03% on October 14, reaching 26.68 CNY per share, with a total market value of 2.319 billion CNY [1] - The company has seen a year-to-date stock price increase of 2.34%, but has experienced declines of 2.66% over the last five trading days, 4.88% over the last 20 days, and 5.52% over the last 60 days [2] - As of September 30, the number of shareholders decreased by 0.24% to 8,478, while the average circulating shares per person increased by 0.24% to 6,382 [2] Group 2 - 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 as follows: 42.10% from responder systems, 26.11% from locomotive signal CPU components, 24.76% from track circuit readers, and 7.02% from others [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 last three years [3] Group 3 - 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]

Group 1 - Company received a notice regarding the detention of Chairman Li Wei by the Tianjin Binhai New Area Supervisory Committee [2] - The board of directors convened on September 29 to appoint Deputy General Manager Zhang Min to assume the responsibilities of Chairman and legal representative [4] - The company maintains that its operations and management are normal, with all other directors and senior management continuing their duties [4] Group 2 - Company reported a decline in performance for the first half of the year, with revenue of 128 million yuan, a year-on-year decrease of 18.48% [6] - The net profit attributable to shareholders was 12.19 million yuan, down 51.64% year-on-year [6] - The company specializes in the research, design, production, and sales of key equipment for train operation control systems, achieving the highest safety integrity level SIL4 for its products [6]

Group 1 - Company Chairman Li Wei has been placed under detention by the Tianjin Binhai New Area Supervisory Committee, as notified by his family [1] - The company held a board meeting on September 29, where it was decided that Vice President Zhang Min would temporarily assume the responsibilities of Chairman and legal representative [2] - The company maintains that its governance structure and internal control mechanisms are sound, and daily operations are being managed normally by the executive team [2] Group 2 - The company specializes in the research, design, production, sales, and technical support of key equipment for rail transit train operation control systems [3] - For the first half of 2025, the company reported revenue of 128 million yuan, a year-on-year decrease of 18.48%, and a net profit attributable to shareholders of 12.19 million yuan, down 51.64% year-on-year [3]

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]