天通股份：公司主营业务为电子材料及高端专用装备的研发、制造和销售 公司不存在其他应披露而未披露的重大信息

Core Viewpoint - Tian Tong Co., Ltd. (600330) announced that its stock price experienced an abnormal fluctuation, with a cumulative increase of over 20% in closing prices over three consecutive trading days from January 30 to February 3, 2026 [1] Company Operations - The company specializes in the research, development, manufacturing, and sales of electronic materials and high-end specialized equipment [1] - Following a self-examination and inquiries with its controlling shareholder and actual controller, the company confirmed that there are no undisclosed significant information apart from what has already been disclosed [1] - The company reported that its production and operations are normal, and there have been no significant changes in its main business activities [1]