Chapter 1 Selection Announcement for the 21st Pusher Maintenance Project of Yudong Sewage Treatment Plant Phase II Selection Announcement 1. Selection Conditions This bidding project for the 21st Pusher Maintenance Project of Yudong Sewage Treatment Plant Phase II is self funded with a 100% investment ratio. The selected bidder is Chongqing Haoyang Water Construction Management Co., Ltd. Banan Sewage Treatment Plant. The project has met the bidding conditions and is now open for comparison. We sincerely invite interested potential bidders to participate in the bidding. 2. Project Overview and Bidding Scope 2.1 Project Overview: Maintenance Project for the 21st Pusher of Yudong Wastewater Treatment Plant Phase II. 2.2 Scope of bidding: To ensure stable effluent quality, it is necessary to carry out major repairs on the No. 21 thruster in the second phase of the fish cave factory, including guide rails and thrusters. During maintenance, it is necessary to cooperate with production work. The maintenance checklist is detailed in Chapter 5. 2.3 Construction period: 7 calendar days 2.4 Due to the highly specialized and complex nature of the services provided in this project, bidders who are interested in participating in the bidding must arrive at the Yudong Sewage Treatment Plant at 9:30 on April 24, 2025 to understand the specific project content. The tenderer will organize a site survey. (If the bidder is not familiar with the specific project content, they will be responsible for it in the future) 3. Qualification Requirements for Bidders: This bidding will be subject to post qualification review, and bidders should meet the following qualification and performance requirements: 3.1 Bidders must be established in accordance with national laws and regulations, registered in China, and have independent legal person qualifications (bidders must provide a copy of their valid business license). 3.2 Performance Requirements: Bidders shall provide performance for single owner similar sewage treatment plant maintenance projects with a total contract amount exceeding 20000 yuan from January 1, 2022 to the bid deadline (based on the contract signing time) (provide corresponding contracts for performance). 3.3 Credit Requirements (Original copy of the following commitment letter with the official seal of the bidding unit, format to be provided by the bidder): (1) If the bidder violates the "Negative List Management Measures for Suppliers" of Chongqing Water Group Co., Ltd. and is within the penalty period, it will be treated as a disqualified bid (the evaluation committee will review the list of "bidders who violate regulations" attached to the bidding announcement). (2) From January 1, 2021 to the date of signing the winning contract for this project, if the bidder is found to have engaged in fraudulent, bid rigging, refused to sign a contract with the owner for improper reasons, and delivered products and services with quality problems during various bidding activities and the validity period of the winning contract (including but not limited to Chongqing Water Group Co., Ltd. and wholly-owned or controlling enterprises), as well as serious injury or above safety liability accidents attributable to the bidder in the past three years (based on administrative penalties, accident investigation reports, accident notifications, etc. issued by competent departments), and accidents caused by the bidder and its related parties (including their legal representatives) in the past three years from January 1, 2021 to the date of signing the winning contract for this project. Person/main person in charge, management personnel, employees, subcontractors, etc If safety and environmental accidents are caused by reasons, the tenderer has the right to dispose of the bid as invalid or cancel the qualification for winning the bid, or has the right to terminate the contract and cooperation relationship at any time. The risks, losses, expenses, liabilities, etc. arising from this shall be borne by the bidder. (3) Bidder January 1, 2021