Title: National Energy Group Materials Co., Ltd. Ningxia Branch Inquiry Form 2022-04-1509:54:51 Initiate Consultation/Objection/Complaint for an Item Project Name: Ningxia Coal Industry Meihuajing Coal Mine 2025 Belt Conveyor Comprehensive Protection Device or Mining Face Communication Control Device Maintenance Service Inquiry Procurement Agency: National Energy Group Materials Co., Ltd. Ningxia Branch Procurement Number: WZYC-FWXJ-2025040574 Purchaser: National Energy Group Ningxia Coal Industry Co., Ltd. Bidder Qualification Conditions: Bidder Qualification Requirements: The bidder must meet one of the following qualification certificates: 1. Coal mine equipment maintenance service certification - maintenance content includes belt conveyor comprehensive protection device or mining working face communication control device. 2. Mining equipment maintenance qualification certificate - maintenance content includes belt conveyor comprehensive protection device or mining working face communication control device. Performance requirements of the bidder: The bidder must meet the following performance requirements: 1. The bidder must provide at least 2 performance contracts for the maintenance services of the comprehensive protection device of the belt conveyor or the communication control device of the mining working face within 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, which must include the procurement scope, contract signing time, and the stamped pages of both parties. Performance certification documents not provided in accordance with the above requirements are invalid certification documents. Procurement Method: Inquiry Procurement Inquiry Method: Public Inquiry Material Classification: Service Category - Production Services; Service category - comprehensive services; Service category - technical consulting services; Service category - property services; Service category - Other; Main technical requirements: The purchaser has over 60 sets of communication protection systems for belt conveyors in use throughout the mine, all produced by Tianjin Huaning. Due to long-term use, the outer shell has corroded and electronic components have malfunctioned, making it impossible to repair on its own. The two-year plan is to repair 1590 units; Repair content: 1. Clean up coal slag; 2. Rust removal and painting; 3. Check if the housing of the telephone, main controller, power supply, input/output, and emergency stop lock is damaged or sealed. If the housing is damaged, replace it and replace the seal; 4. Replace the damaged voice module, locking module, etc. of the phone; 5. Replace various damaged modules and display screens of the main controller; 6. Replace damaged joints with tension cables; 7. Repair various damaged sensors. Two items were published by Yin Junjie. Quotation method: Whole order contact phone number: 4000104000-17687 (0951-7678067). Publication time: April 15, 2025 9:54:51. Quotation deadline: April 18, 2025 10:00:00. Payment method: telegraphic transfer. Shipping cost undertaken by the supplier. Objection contact person: National Energy Group Materials Co., Ltd. Ningxia Branch. Attachment: Objection. Receiving unit: National Energy Group Materials Co., Ltd. Ningxia Branch. Remarks: Publication platform: National Energy e-Procurement (website:) www.neep.shop）， The bidder must register on the publishing platform, pass the review, and pay the supplier classification annual fee before participating in the specific project quotation. Bidding website: https://gd-prod.oss-