According to the announcement of Dayuan Pump Industry, the cumulative deviation value of the closing price drop of the company's stock exceeded 20% for 3 consecutive trading days from July 20 to 22, 2026, which was an abnormal fluctuation. After self-inspection, the company's production and operation were normal. There was no important information that should be disclosed but not disclosed, no major matters were planned, no relevant media reports or market rumors were discovered, and the relevant personnel did not trade the company's stock during this period. The company reminds investors to be aware of transaction risks.

According to the announcement of Dayuan Pump Industry, the cumulative deviation value of the closing price drop of the company's stock exceeded 20% for 3 consecutive trading days from July 20 to 22, 2026, which was an abnormal fluctuation. After self-inspection, the company's production and operation were normal. There was no important information that should be disclosed but not disclosed, no major matters were planned, no relevant media reports or market rumors were discovered, and the relevant personnel did not trade the company's stock during this period. The company reminds investors to be aware of transaction risks.