Zheng Quan Zhi Xing·2025-07-22 16:27Core Viewpoint - China Railway Construction Heavy Industry Group Co., Ltd. (the company) experienced a significant stock price fluctuation, with a cumulative increase of 30% over three consecutive trading days (July 18, July 21, and July 22, 2025) [1][2]. Group 1: Stock Trading Anomaly - The company's stock price deviation over the specified trading days qualifies as an abnormal trading situation according to the Shanghai Stock Exchange regulations [1]. - The company conducted a self-examination and confirmed with its controlling shareholder that there are no undisclosed significant information affecting the stock price [2]. Group 2: Company Operations and Information Disclosure - The company reported that there have been no major fluctuations in production costs or sales, and internal operations remain normal [2]. - There are no undisclosed significant matters that could impact the stock price, including mergers, debt restructuring, or asset injections [2]. - The board of directors confirmed that there are no undisclosed matters that should be reported according to the relevant regulations [2].