1. 2. 3. 4. 5. Longquan Co., Ltd.: Announcement on Signing of Contract by Wholly-owned Subsidiary Jiangsu Longquan Pipeline Technology Co., Ltd., a wholly-owned subsidiary of Shandong Longquan Pipe Industry Co., Ltd., entered into the Purchase Contract with Jiangsu Shuiyun Building Materials Co., Ltd. The contract amount is 62,549,141. The contract is in the mode of "contract + purchase order", and the supply quantity is settled according to the actual acceptance and warehousing quantity. The counterparty is a state-owned enterprise, which has the ability to perform the contract and has no relationship between the two parties. The performance of the contract is subject to a variety of factors and risks, and its performance is expected to have a positive impact on the company's operating income and operating profit without affecting business independence, so the signing of the contract does not require the board of directors to consider.