Self-Procurement Tongguan Jian'an Second Business Division Anqing Copper Mine Project Color Steel Rock Wool Sandwich Panel and Aluminum Alloy Sliding Window Public Competitive Bidding Announcement (Second Time)

[Tender Notice] Self-Procurement Tongguan Jian'an Second Business Division Anqing Copper Mine Project Color Steel Rock Wool Sandwich Panel and Aluminum Alloy Sliding Window Public Competitive Bidding Announcement (Second Time) Purchasing Unit: Tongling Nonferrous Metals Group Tongguan Construction and Installation Co., Ltd. Region: Tongguan District, Tongling, Anhui Project No.: 15512026080700G Published: 2026-08-14 Original Notice: https://ec.tlys.cn:10000/main/NoticeDetails?id=13feed07-d79c-4d47-bae7-d4804a2f8bdd&cate=2&