万通发展：股票交易异常波动公告

Group 1 - The company, Wantong Development, announced that its stock price experienced an abnormal fluctuation, with a cumulative increase of 20% over three consecutive trading days from September 1 to September 3, 2025 [1] - The company conducted a self-examination and confirmed that its production and operational conditions are normal, with no significant changes in production costs or sales [1] - There have been no major changes in the market environment or industry policies affecting the company [1]