4 consecutive boards in Lianyungang: Currently, production and operation activities are normal, and there are no significant matters that should be disclosed but have not been disclosed.

On May 16, Lianyungang issued an announcement that the closing prices of the company's stock on May 15 and 16 exceeded the limit by 20% for two consecutive trading days. According to the relevant rules of the Shanghai Stock Exchange, this constitutes abnormal stock market volatility. After verification, it was found that the company's production and operation activities are normal, there have been no major adjustments in industry policies, and there are no other significant undisclosed information. The company has conducted self-inspection and sent inquiries to the controlling shareholder and the actual controller, confirming that as of the disclosure date of this announcement, there are no major asset restructuring, share issuances, major transaction-related matters, business restructuring, share repurchases, equity incentives, bankruptcy reorganizations, major business cooperation, strategic investor introductions, or other significant matters involving the company being planned other than those already disclosed.