

Group 1 - The company, Beijing Construction Environment Remediation Co., Ltd., has formed a joint venture with Hefei Dongxin Jianbang Environmental Remediation Co., Ltd. to participate in the bidding for the "Jingxian Langqiao Town Wuxi Gold Mine Soil Pollution Source Comprehensive Treatment EPC Project," with a winning bid amount of 32.76 million yuan [1][2] - The transaction is classified as a related party transaction, as Dongxin Jianbang is a related legal entity due to the directorship of its board member [1][3] - The project is within the scope of the company's recent audited net assets, not exceeding 5%, and does not require shareholder approval [2][6] Group 2 - The financial data of Dongxin Jianbang for the year 2024 shows a net asset of approximately 5.51 million yuan, operating income of about 3.83 million yuan, and a net loss of approximately 6.31 million yuan [3] - The joint venture has previously won the "Hefei Paper Mill Soil Remediation Project" in February 2025, with a bid amount of approximately 32.88 million yuan, where the company undertook 30% of the workload [5][6] - The pricing policy for the related party transaction is based on normal business operations and is determined through public bidding, ensuring fair pricing [4][6] Group 3 - The main content of the contract includes payment terms for design and construction fees, with specific percentages outlined for progress payments and quality assurance [4][5] - The total project duration is set at 210 calendar days, with the company taking the lead in project design and coordination, while Dongxin Jianbang will assist in construction activities [5] - The transaction is deemed necessary for the operational needs of both parties and is expected to have no adverse impact on the company's independence or operations [6][7]