There is; Mechanical and Electrical Installation Engineering Co., Ltd. has conducted a fair, just, and open bidding process for the thirteen projects (sporadic steel materials for the installation of the main shaft of Zhaoshipan Coal Mine) in accordance with the prescribed procedures. The preliminary bidding formula for the bidding results of this open comparison is as follows:; Tender Number: CGRW-2025-001693 Procurement Project Name: Thirteen Projects (Miscellaneous Steel Materials for Zhaoshipan Coal Mine Main Shaft Installation Project) Inquiry Procurement I. First Winning Bidder Candidate; Erdos Jinggang Trading Co., Ltd. quoted a total amount including tax; 21692.6 yuan for second and second tier candidates; Ningxia Hechangxin Trading Co., Ltd. quoted a total amount including tax; 22545.64 yuan for third and third tier candidates; Yulin Jinsheng Hengyuan Trading Co., Ltd. quoted a total amount including tax; 26156.4 yuan for bidding inquiry by the bidder; Date of public announcement by Que Baoqing; April 15 to 16, 2025 middling coal Third Construction Group Mechanical and Electrical Installation Engineering Co., Ltd. April 15, 2025