The bidding announcement on the procurement of valves for the equipment installation project of Zhengzhuang Coal Mine Booster Room and Longwan Coal Mine Gas Drainage Pump Station of middling coal Third Construction Group Mechanical and Electrical Installation Engineering Co., Ltd. is hereby issued for the procurement of valves used in the equipment installation project of Zhengzhuang Coal Mine Booster Room and Longwan Coal Mine Gas Drainage Pump Station of middling coal Third Construction Group Mechanical and Electrical Installation Engineering Co., Ltd. to determine suppliers and supply prices. Qualified suppliers are welcome to bid. 1、 Bidding Document No.: CGRW-2025-002405 II. Bidding Name: Valve Procurement Bidding for Equipment Installation Works of Zhengzhuang Coal Mine Compressor Room and Longwan Coal Mine Gas Drainage Pump Station III, Main Specifications and Quantities: Serial Number, Name, Specification, Model, Unit Quantity, Technical Standard, Unit Price and Amount Note 1 Manual butterfly valve D343H-25CDN500 8GB/T2238-2008 A/C set: middling coal Third Construction Group Mechanical and Electrical Installation Engineering Co., Ltd. Delivery address: safety valve A42H-25CDN500 of Zhengzhuang Coal Mine 2, Zhengzhuang Town, Qinshui County, Jincheng City, Shanxi Province, set pressure 32.34KPa 3GB/T12243-2053 Check valve H41H-25CDN500 3GB/T T12236-20054 manual gate valve Z45T-10DN450PN10 2GT12232-2005 A/C set: middling coal Third Construction (Group) Co., Ltd Delivery address of Anhui Equipment Installation Department of Limited Liability Company: Longwan Coal Mine, Qinchi Town, Yangcheng County, Jincheng City, Shanxi Province. 5 manual gate valves Z45T-10DN250PN, 10 pieces 12GB/T12232-20056 manual gate valves Z45T-10DN200PN, 10 pieces 12GB/T122232-20057 manual gate valves Z45T-10DN150PN, 10 pieces 6GB/T12232-20058 manual gate valves Z45T-10DN125PN, 10 pieces 8GB/T12232-20059 manual gate valves Z45T-10DN65PN, 10 pieces 2GB/T12232-200510 check valves H44H-10DN250PN, 10 pieces 4GB/T12235-200511 check valves H44H-10DN65PN, 10 pieces 2GB/T12235-200512 bottom valves H45X-2.5DN250PN 0.25 pieces 4Q/12NJ3586-200113 bottom valve H45X-2.5DN65PN 0.25 pieces 2Q/12NJ3586-200114 manual internal thread ball valve Q11F-16PDN25 pieces 20IS07121-198415 manual internal thread ball valve Q11F-16PDN20 pieces 6GB/T12232-200516 manual internal thread ball valve Q11F-16PDN50 pieces 6GB/T12232-2005, totaling 100 pieces. Delivery location: 1 Zhengzhuang Coal Mine and Zhu Yunfeng, Zhengzhuang Town, Qinshui County, Jincheng City, Shanxi Province, China 18855746692; 2. Longwan Coal Mine and Pangyu 1833915, Qinchi Town, Yangcheng County, Jincheng City, Shanxi Province