Prequalification announcement for the procurement of aluminum alloy profiles and standard aluminum formwork by exchange for used aluminum formwork, scrap, and aluminum chips of the Aluminum Formwork Business Department of China Railway Construction Group Building Technology Company

[Tender Notice] Prequalification announcement for the procurement of aluminum alloy profiles and standard aluminum formwork by exchange for used aluminum formwork, scrap, and aluminum chips of the Aluminum Formwork Business Department of China Railway Construction Group Building Technology Company Purchasing Unit: Beijing CRCC Building Technology Co., Ltd. Region: Fengtai District, Beijing Published: 2026-08-05 Bid Deadline: 2026-08-20