1. China Aluminum Shanxi Aluminum Industry Co., Ltd. Public Competitive Negotiation 2. Project Number: Jinlu Biao [2025] No. 011 3. Industry of the Project: Metallurgy 4. Type: Service 5. Theme: Waterproofing and External Wall Overhaul of Some Buildings in the Real Estate Operation and Management Center 6. Source of Funds: Self raised by the Enterprise 7. Registration Time: As of May 23, 2025 8. Project Implementation Area: Hejin City, Shanxi Province 9. Content and Scope: Waterproofing of 2976m2 of buildings on the east side of Wenxi Street in the Real Estate Operation and Management Center, 20m2 of external walls; Waterproofing of 1259m2 of office buildings in the Workers' Hospital, and 2413m2 of 30 rooms on the east end of Road 13. (1) Waterproofing: Demolition of the original waterproof layer, cleaning of the bottom layer, leveling. Apply base treatment agent. The surface layer uses "rainwater situation" and "; Eastern Rain Rainbow; 、 " Keshun "; The brand (choose one from three) series 4mm thick SBS modified asphalt waterproofing membrane is subjected to hot melt and full adhesion construction. The roof is flat, the drainage is smooth, and there is no leakage. (2) Exterior wall: Remove the original coating layer, level with putty, and apply waterproof material twice (consistent with the original color). (3) Dismantle garbage and promptly remove it from the site. All materials shall be borne by the contractor. 10、 Supplier qualification requirements: 1. The supplier shall be registered within the territory of the People's Republic of China, have independent civil litigation subject qualifications, comply with relevant laws and regulations, possess general taxpayer qualifications, and be able to issue value-added tax special invoices. 2. Possess a second level or higher qualification for construction engineering. 3. The supplier must have the ability to guarantee supply, have a good service reputation, ensure strict performance of the contract after the transaction, and guarantee normal operation. 4. The legal representative, shareholder, actual controller, and principal of the quoting unit shall not be registered employees of China Aluminum Shanxi New Materials Co., Ltd. or China Aluminum Shanxi Aluminum Industry Co., Ltd. (excluding internal enterprises). 5. Listed on the blacklist of China Aluminum Group, China Aluminum Corporation, and China Aluminum Shanxi New Materials; Those who have economic, quality disputes, or unresolved lawsuits with our company are not allowed to register for participation. 11、 1. Any interested suppliers are requested to obtain the negotiation documents at Room 117, 1st Floor, China Aluminum Shanxi New Materials Co., Ltd. Office Building (No. 263 Aluminum Du Avenue, Hejin City, Shanxi Province) from 8:30 to 11:30 and 15:00 to 18:00 daily from May 20, 2025 to May 23, 2025. When purchasing negotiation documents, it is necessary to submit the "Application Form for Registration" (attached); Please send scanned copies of the "Application Form" and the remittance voucher for the bid fee to the designated deadline for wire transfer purchase hzfwzbb@163.com Email address. 3. The negotiation documents will be sent in electronic format, with a selling price of 100 yuan (one hundred yuan) per set. Payment will be made by wire transfer, and after-sales service will not be refunded. Remittance to: Company Name: Chinalco Shanxi Aluminum Co., Ltd. Account Number: 0511039609022104376 Bank of Deposit: ICBC Hejin Yumen Branch 12. Submission of Quotation Documents 1. The deadline for submission of quotation documents (same as the bid opening time) is 15:00 on May 26, 2025, and shall be delivered to Chinalco Shanxi Aluminum Co., Ltd. by the legal representative or authorized agent