China Railway No.4 Engineering Group Co., Ltd. First Engineering Branch Inquiry Letter for Galvanized Metal Corrugated Pipe for the First Sub-division of NZSG-02 Bid Section Project Management Department of Newly Built Zhengzhou South Railway Station and Related Works

[Tender Notice] China Railway No.4 Engineering Group Co., Ltd. First Engineering Branch Inquiry Letter for Galvanized Metal Corrugated Pipe for the First Sub-division of NZSG-02 Bid Section Project Management Department of Newly Built Zhengzhou South Railway Station and Related Works Purchasing Unit: 中铁四局集团有限公司第一工程分公司 Region: 河南省郑州市管城回族区 Project No.: ZTSJWZXJ-YGSF-NZSG02-2026-13 Published: 2026-08-06 Bid Deadline: 2026-08-09