China Railway 15th Bureau Group Air Energy Project Galvanized Steel Pipe, Lanyonglin Project Box Girder K-Brace, Xinzheng Taoyuan High School Project Stair Railing Inquiry Procurement Announcement

[Tender Notice] China Railway 15th Bureau Group Air Energy Project Galvanized Steel Pipe, Lanyonglin Project Box Girder K-Brace, Xinzheng Taoyuan High School Project Stair Railing Inquiry Procurement Announcement Purchasing Unit: China Railway 15th Bureau Group Fourth Engineering Co., Ltd. Region: Xinzheng, Zhengzhou, Henan Project No.: CR15G4C-XBJ-2026-0717 Published: 2026-07-14 Bid Deadline: 2026-07-17