Invitation Letter for Direct/Single Source Procurement of Upper Cell Steel (Third Batch) for the Upper Cell Fabrication and Installation Project of the Vietnam Dak Nong Electrolytic Aluminum Project

[Tender Notice] Invitation Letter for Direct/Single Source Procurement of Upper Cell Steel (Third Batch) for the Upper Cell Fabrication and Installation Project of the Vietnam Dak Nong Electrolytic Aluminum Project Purchasing Unit: Guizhou Provincial Construction Investment Group Trading Co., Ltd. Region: Baiyun District, Guiyang, Guizhou Project No.: GQQY-DY2026080108 Published: 2026-08-24 Document Deadline: 2026-08-27 Bid Deadline: 2026-08-27 Bid Opening: 2026-08-27 Original Notice: https://www.gzssczlser.com/index.html#/trade-info-detail?id=1541491189172523009¬iceType=15&publishStatus=1&systemStatus=