Duanlianguan Tongrun Equipment: There have been no significant changes in the company's operating environment.

On the evening of September 4, Eilianban Tongrun Equipment issued a notice on abnormal stock trading fluctuations, stating that all production and operation activities of the company are normal, and there have been no major changes in the internal and external operating environment. The company, controlling shareholders, and actual controllers have no undisclosed major matters related to the company, or major matters in the planning stage. During the period of abnormal stock trading fluctuations, the controlling shareholders and actual controllers did not engage in buying or selling the company's stocks.