Title: National Energy Group Materials Co., Ltd. Sichuan Branch Inquiry Form 2022-04-1509:13:58 Initiate Consultation/Objection/Complaint for an Item Project Name: Chongqing Company Chongqing Power Plant 2025 Coal Mill Roller Sleeve and Lining Plate Welding Inquiry Procurement Agency: National Energy Group Materials Co., Ltd. Sichuan Branch Procurement Number: WZXN-SGXJ-2025040130 Purchaser: National Energy Chongqing Power Plant Co., Ltd. Bidder Qualification Requirements: The bidder must also meet the following qualification certificates: 1. Safety Production License - Construction 2. Construction Enterprise Qualification Certificate - Construction Labor - Non graded or Construction Enterprise Qualification Certificate - Construction Mechanical and Electrical Installation Engineering Professional Contracting - Level 3 or Construction Enterprise Qualification Certificate - Electricity Engineering construction general contracting - Level 3. Performance requirements of the bidder: The bidder must meet all of the following performance requirements: 1. The bidder must provide at least 2 welding contracts for the grinding rollers (or lining plates) of the coal mill in the past three years (from January 1, 2022 to the deadline for quotation). The bidder must provide scanned copies of performance contracts that meet the procurement requirements, including the procurement scope, contract signing time, and the stamped pages of Party A and Party B. The bidder must also provide other supporting documents corresponding to the performance contracts: settlement invoices (invoicing time January 1, 2022 to April 18, 2025). Performance proof documents not provided in accordance with the above requirements are invalid proof documents. Procurement method: inquiry procurement inquiry method: open inquiry material classification: engineering general engineering construction; Engineering - Thermal power (including gas turbine) engineering; Main technical requirements: The scope of this procurement item is the overlay welding of the grinding roller sleeve and lining plate of the 660MW unit boiler coal mill of Guoneng Chongqing Power Plant Co., Ltd. The specific scope includes but is not limited to: (1) 25 tons of online overlay welding wire for the overlay welding of the grinding roller sleeve and lining plate. (2) The main welding materials, consumables, and tools required for this service project will be provided by the bidder, while the purchaser will provide specialized tools for maintenance such as turning machines. The bidder shall bring their own grinding roller sleeve and lining plate automatic open arc welding machine to the purchaser's site to complete the online wear-resistant welding and remanufacturing of the grinding roller sleeve and lining plate of the coal mill. In order to protect the bearings of the grinding roller and reducer of the coal mill and prevent spark damage to the bearings caused by the grounding contact of the bearings, the automatic open arc welding machine provided by the bidder must have reliable welding surface grounding measures, and the welding machine grounding wire cannot be directly connected to the coal mill shell or other non welding surfaces. The contracting method for this project is labor and materials (designated location by Guoneng Chongqing Power Plant Co., Ltd.), as detailed in the technical section. The two items were issued by Wu Jingwen. The quotation method is for the entire order, and the contact phone number is 4000104000-1-7289. The release time is April 15, 2025 at 9:13:58. The quotation deadline is April 18, 2025 at 10:00:00. Payment method: telegraphic transfer. Freight acceptance: The supplier bears the objection. Contact person: Fan Yanglu. Attachment: If there is an objection, the receiving unit is Sichuan Branch of National Energy Group Materials Co., Ltd. Note: 1. If the procurement announcement is inconsistent with the procurement document, the procurement document shall prevail. 2. After payment of the procurement service fee, if due to the supplier's own reasons