钢研纳克检测技术股份有限公司股票交易异常波动公告

Group 1 - The company's stock experienced an abnormal trading fluctuation, with a cumulative price increase of over 30% during three consecutive trading days from August 27 to August 29, 2025 [2][3] - On August 29, 2025, the closing price of the company's stock increased by 30.97% compared to the closing price on August 26, 2025, which is significantly higher than most of its industry peers and relevant indices [3][4] - The company confirmed that there were no undisclosed significant matters that could have impacted the stock price, and all previously disclosed information remains accurate [6][4] Group 2 - The company's operational situation and external business environment are normal, with no significant changes reported [4] - The board of directors, supervisors, senior management, and major shareholders did not engage in any trading of the company's stock during the period of abnormal fluctuations [4][5] - The company has not violated any fair information disclosure regulations [5]