Shanghai Shanghai Industrial Co., Ltd. announced that on October 28 and October 29, 2026, the closing price deviation value of the company's stock exceeded 20% for 2 consecutive trading days, which was an abnormal fluctuation in stock trading; the company's stock rose again on October 30, and the stock price rose by 33.16% cumulatively from October 28 to 30, with a significant short-term increase. There have been no major changes in the company's daily operations, and the main business has not changed. The intelligent manufacturing sector accounts for about 95% of revenue. There is no significant information that should be disclosed but not disclosed. Directors, supervisors, and controlling shareholders did not trade the company's shares during the change period. Investors are kindly requested to invest rationally and pay attention to risks.

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