天通股份：公司生产经营正常，未发生重大变化

Group 1 - The company's stock experienced an abnormal trading fluctuation, with a cumulative increase of over 20% in closing prices over three consecutive trading days from September 3 to September 5, 2025 [2] - The company conducted a self-examination and consulted with its controlling shareholder and actual controller, confirming that there are no undisclosed significant information apart from what has already been disclosed [2] - The company's production and operations are normal, with no significant changes reported [2]