长龄液压：公司股票交易异常波动 无应披露而未披露的重大事项

Core Viewpoint - The stock of Changling Hydraulic (605389.SH) has experienced an abnormal fluctuation, with a cumulative price increase of 20% over three consecutive trading days, prompting a notice of unusual trading activity [1] Company Summary - The company's main business operations have not changed, and internal production activities are normal [1] - There have been no significant changes in the market environment or industry policies affecting the company [1] - The controlling shareholder is in the process of transferring shares and changing control, but the completion of this process remains uncertain [1] - The company has no undisclosed significant matters that need to be reported [1]