两连板，通润装备称公司经营环境未发生重大变化

Core Viewpoint - Tongrun Equipment (002150) experienced abnormal stock trading fluctuations, with a cumulative closing price increase exceeding 20% over two consecutive trading days [1] Group 1: Stock Trading Activity - The stock price of Tongrun Equipment increased significantly, reaching a limit-up price of 15.84 yuan per share on September 4, with a total market capitalization of 5.754 billion yuan [1] - The abnormal trading activity was noted on September 3 and September 4, triggering a notification under the Shenzhen Stock Exchange trading rules [1] Group 2: Company Operations - Tongrun Equipment stated that its production and operational activities are normal, with no significant changes in the internal or external operating environment [1] - The company confirmed that there are no undisclosed major matters related to the company by the controlling shareholder or actual controller, nor are there any major matters in the planning stage [1] - During the period of abnormal stock trading, the controlling shareholder and actual controller did not engage in buying or selling the company's stock [1]