On September 12, 15, and 16, 2025, the stock price of Changzhou Langbo Sealing Technology Co., Ltd. experienced a cumulative deviation of over 20% in closing price over three consecutive trading days, indicating abnormal stock trading fluctuations. After the company’s self-examination and inquiries with the controlling shareholder and actual controller, as of the announcement date on September 17, there is no significant information that should be disclosed but has not been disclosed, aside from the information already disclosed. The company is currently operating normally, and no significant media reports or market rumors that could have a major impact have been found. The company reminds investors to pay attention to secondary market trading risks, make rational decisions, and invest prudently, with information based on announcements from designated channels