Prequalification Announcement Announcement No.: ZDXYGG202504230051 I. Basic Information of Procurement Project Procurer: Runxin Commercial Investment (Shenzhen) Co., Ltd. Shanghai Branch Procurement Project Name: Air Conditioning Water System Cleaning - Commercial East China Region Zhejiang Region Centralized Procurement of Air Conditioning Ventilation System Cleaning and Water Treatment Services from 2025 to 2028 Procurement Project No.: CGFA2025041800136 Procurement content and scope: Centralized procurement of air conditioning and ventilation system cleaning and water treatment services in the Zhejiang region of the East China region from 2025 to 2028, covering all light asset projects in operation, preparation, and later management in the Zhejiang region of the East China region. The procurement service content includes cleaning of air conditioning and ventilation systems (air ducts, air cabinets, fan coil units, and other air conditioning system end equipment), treatment of air conditioning water (chilled water system, cooling water system, cooling tower system), boiler water treatment, filter cleaning, water treatment inspection reports, Legionella testing reports, air conditioning ventilation system testing reports, indoor air quality testing reports in public places, etc. Whether to use rate sourcing: No 2. Applicant qualification requirements: 1. Performance requirements: In the past 3 years (April 2022) - Until now) Three or more signed/ongoing/completed contracts for air conditioning cleaning and water treatment, with a cumulative total contract amount of 2 million yuan (calculated based on the total contract amount, without the need for annual conversion) for a single natural year. Rules: The ownership time of the contract should be determined according to the contract signing time or contract service period. III. Obtaining Qualification Pre qualification Documents. The qualification pre qualification documents will be published on the China Resources Group Shouzheng Bidding Platform, and no paper documents will be provided offline. Interested participants are required to log in to the Shouzheng Platform to view and download them. 4、 The deadline for submitting pre qualification application documents is: 2022-04-2709:40:00_ (Beijing time, subject to further notice if there are any changes). Format and content of pre qualification application documents: Applicants should provide proof materials (scanned copies) item by item according to the above qualification requirements, and be responsible for the completeness and authenticity of the provided proof materials. Submission method for pre qualification application documents: Before the deadline for submitting pre qualification application documents, electronic pre qualification application documents shall be submitted through the China Resources Group Shouzheng Electronic Tendering Platform. Late submissions will be rejected. If the purchaser requests offline submission of paper pre qualification application documents, they shall be provided in accordance with relevant requirements. The pre qualification project will issue a pre qualification notification to suppliers who have passed the pre qualification through the China Resources Group Shouzheng Electronic Procurement Platform, and inform suppliers who have not passed the pre qualification at the same time. 5、 Contact information of the purchaser: Contact person: Pan Tingting Phone: 15857725091 Email: pantingting41@crland.com.cn 6、 Once the documents such as Q&A clarification and notification are published on the CR Group Shouzheng Electronic Procurement Platform, they shall be deemed to have been issued to the corresponding suppliers (the issuance time is the issuance time). Please keep an eye on the relevant information published on the CR Group Shouzheng Electronic Procurement Platform and promptly review and handle it. 7、 Service