（1） Name of Entrusting Unit: Yan'an Ecological Environment Investment and Construction Co., Ltd. (II) Public Selection of Intermediary Institution Method: Bidding Selection (III) Intermediary Service Content: The base is based on national fee standards, and the basic fee discount coefficient for cost consulting (full process audit and settlement review) is not higher than 0.6, and the benefit fee discount coefficient is not higher than 0.4. （4） Service Time Limit: 90 days (5) Service Fee: Maximum: 0.6 Rate, Base: National Fee Standards (6) Basic Information of Intermediary Service Subject: West of Zaoyuangou, East District, Yan'an High tech Zone (7) Intermediary Institution (Qualification): Cost Consulting (8) Qualification Requirements for Practitioners: 2 Registered Cost Engineers (9) Project Performance Requirements: No Performance Requirements (10) Service Quality Commitment: Intermediary institutions participating in the registration must fully respond to the content and registration conditions of this announcement. （11） Registration start time: 08:50:00 on April 24, 2025 (12) Registration end time: 08:50:00 on April 27, 2025 (13) Bidding start time: 08:50:00 on April 27, 2025 (14) Bidding end time: 08:50:00 on April 28, 2025 (15) Public selection time: 08:50:00 on April 28, 2025 to 08:50:00 on April 29, 2025 (16) Public selection location: 2nd floor, Building 7, Yan'an New District People's Service Center (17) Avoidance situation: The legal representatives or actual controllers of different intermediary agencies are the same person; The legal representative or actual controller of the intermediary agency has a spouse, direct blood relationship, collateral blood relationship within three generations, or close in law relationship with the legal representative or project leader of the entrusted unit; Intermediary agencies and commissioning units are currently undergoing legal proceedings; （18） Contact person: Wang Yizhou (19) Contact phone number: 15667616585