双环传动：股票交易异常波动，无应披未披重大事项

Core Points - Zhejiang Shuanghuan Transmission Machinery Co., Ltd. announced that its stock price had deviated significantly, with a cumulative increase of over 20% over three consecutive trading days from September 15 to September 17, 2025 [1] - The company's board of directors confirmed that there was no need to correct or supplement previously disclosed information, and there were no major undisclosed matters reported by the media [1] - The operational and external environment of the company remains normal, and the actual controller did not engage in any stock trading during the period of abnormal price fluctuation [1]