SHSTC(SH:600620) Zheng Quan Zhi Xing·2025-07-17 10:21Core Viewpoint - The stock of Shanghai Tianchen Co., Ltd. experienced an abnormal trading fluctuation, with a cumulative closing price increase of over 20% on July 16 and 17, 2025, prompting the company to issue a notice regarding this situation [1][3]. Group 1: Stock Trading Abnormality - The company's stock price fluctuation is classified as abnormal trading behavior according to the Shanghai Stock Exchange regulations [1]. - The company conducted a self-examination and confirmed that its operational status remains normal, with no significant changes in daily operations or external environment that could affect stock price [1][2]. Group 2: Confirmation of Information Disclosure - The company confirmed through written inquiries to its controlling shareholders and actual controllers that there are no undisclosed significant matters, including major asset restructuring, share issuance, acquisitions, or other major corporate actions [2]. - No media reports or market rumors requiring clarification or response have been identified as of the announcement date [2]. Group 3: Management Changes - The former general manager, Mr. Gai Jianguo, has resigned, and the chairman, Mr. Ye Maojing, will temporarily assume the responsibilities of the general manager until a new appointment is made [3]. Group 4: Board of Directors Statement - The board of directors confirmed that there are no undisclosed matters that should be reported according to the Shanghai Stock Exchange regulations, and previous disclosures do not require correction or supplementation [5].