Bidding Announcement for Dismantling Tunnel Excavation Support and Internal Structure Works of China Railway No.5 Engineering Group Co., Ltd. on Shenzhen-Shanwei Railway Contract Section SSSG-2

[Tender Notice] Bidding Announcement for Dismantling Tunnel Excavation Support and Internal Structure Works of China Railway No.5 Engineering Group Co., Ltd. on Shenzhen-Shanwei Railway Contract Section SSSG-2 Purchasing Unit: China Railway No.5 Bureau Group Co., Ltd. Region: Yunyan District, Guiyang, Guizhou Published: 2026-08-27 Document Deadline: 2026-09-01 Bid Deadline: 2026-09-06