浙江西大门新材料股份有限公司关于股票交易异常波动公告

Core Viewpoint - Zhejiang Xidamen New Materials Co., Ltd. experienced a significant stock price fluctuation, with a cumulative increase of over 20% in closing prices over three consecutive trading days, indicating abnormal trading activity [2][3]. Group 1: Stock Trading Abnormalities - The company's stock price increased significantly on October 30, 31, and November 3, 2025, with a cumulative price deviation exceeding 20%, qualifying as an abnormal trading situation according to Shanghai Stock Exchange regulations [2][3]. Group 2: Company Operations and Major Events - As of the announcement date, the company's daily operations are normal, with no significant changes in the market environment or industry policies, and production costs and sales have not experienced substantial fluctuations [4]. - There are no undisclosed major events related to significant asset restructuring, share issuance, acquisitions, or other major corporate actions as confirmed by the company and its controlling shareholder [5]. Group 3: Media and Market Rumors - The company has not identified any media reports or market rumors that could have influenced its stock price, nor is it involved in any trending concepts that might affect trading [6]. Group 4: Other Sensitive Information - There are no other significant events that could impact the company's stock price, and no insider trading activities have been reported by directors, supervisors, or senior management during the period of stock price fluctuation [7].