Prequalification Announcement for Negotiation Procurement of ZF-2 Broken-Bridge Aluminum Alloy Window Category for Beijing Suburban Railway Northeast Loop Line Project by China Railway Construction Group Beijing Engineering Co., Ltd.

[Tender Notice] Prequalification Announcement for Negotiation Procurement of ZF-2 Broken-Bridge Aluminum Alloy Window Category for Beijing Suburban Railway Northeast Loop Line Project by China Railway Construction Group Beijing Engineering Co., Ltd. Purchasing Unit: China Railway Construction Group Beijing Engineering Co., Ltd. Region: 北京市石景山区 Published: 2026-08-06 Bid Deadline: 2026-09-01