[Competitive Negotiation] Procurement Announcement for U-shaped Trough Materials for the Construction of the Sanba Yidi Protection Project at Datun Tin Mine in 2026 [Yuntin Construction Group]

[Tender Notice] [Competitive Negotiation] Procurement Announcement for U-shaped Trough Materials for the Construction of the Sanba Yidi Protection Project at Datun Tin Mine in 2026 [Yuntin Construction Group] Purchasing Unit: Yunnan Tin Construction Group Co., Ltd. Region: Honghe County, Honghe Hani and Yi Autonomous Prefecture, Yunnan Project No.: 2006-ZY-2608-25941 Published: 2026-08-18 Bid Deadline: 2026-08-21 Bid Opening: 2026-08-21