Tender Notice for the Renovation and Renovation Project (Design) of Heating Pipeline Network in Hunchun Demonstration Zone Tender Project No. HHSZ2025-03 I The bidding conditions for the Hunchun Demonstration Zone Heating Pipeline Network Renewal and Renovation Project (Design) have been approved for construction by the Hunchun Border Economic Cooperation Zone Economic Development Bureau in document Hunhe Economic Development Approval [2025] No. 02. The project owner and bidder are the Hunchun Border Economic Cooperation Zone Housing and Urban Rural Development Bureau, and the construction funds come from government funds. The project investment ratio is 100%, and the project has met the bidding conditions. The design of the project is now open for bidding. II Project overview and bidding scope 2.1 Project overview: 64008m of de25-de80 heat supply PE-RTII low-pressure pipeline, 11310m of dn65-dn200 heat supply seamless steel pipe low-pressure pipeline, 3446m of dn250-dn400 heat supply spiral welded steel pipe low-pressure pipeline, 970m of municipal pipeline, 13786m of courtyard pipeline, 64008m of riser in the above heat supply pipelines, involving 11860 households in 28 communities, including wutong Community and Forest House, 8 heat exchange stations, 308 heat exchange station equipment, 16975 user end control facilities and equipment in 12 communities, including Xinyi Home and Guotai Home. Scope of bidding: Design work for the renovation project of the heating pipeline network in Hunchun Demonstration Zone. 2.2 The construction site is Hunchun Marine Economic Development Demonstration Zone. 2.3 Service period: The design scheme shall be completed within 7 days after the contract is signed, the preliminary design shall be completed within 7 days, and the construction drawing design shall be completed within 45 days after the preliminary design review and approval. 2.4 The engineering quality requirements shall comply with the qualified standards. III Qualification Requirements for Bidders 3.1 The bidding unit must have a professional engineering design qualification of Class B or above in the municipal industry (thermal engineering) issued by the construction administrative department, and have corresponding design capabilities in personnel, equipment, funds, etc. Anyone who meets the above qualification conditions can participate in the bidding of the above-mentioned bidding engineering projects. 3.2 The bidder intends to appoint a project leader who holds the national registered qualification of public equipment engineer (HVAC) or holds the title of senior engineer or above, has rich engineering design experience, and has similar or similar engineering design achievements. 3.3 This bidding does not accept consortium bidding. 3.4 Integrity requirement: Refuse to include enterprises or individuals whose bidding qualifications have been cancelled by the government during the bidding period. Refuse to allow enterprises listed as dishonest persons subject to enforcement by the Supreme People's Court on the "Credit China" website (www.creditchina. gov.cn) or credit information sharing platforms at all levels to participate in bidding. Refusing to be listed in the National Enterprise Credit Information Publicity System by the Administration for Industry and Commerce（ http://www.gsxt.gov.cn/index.html ）Enterprises included in the list of serious illegal and dishonest enterprises participate in bidding. Within the past three years (from January 1, 2020 to the bidding deadline), the bidder or its legal representative, or the proposed project manager, has not been listed on the "China Judgments Online" platform（ https://wenshu.court.gov.cn/ ）Okay, okay