China Railway Electrification Bureau Group Co., Ltd. Zhengzhou Branch Ruimei Railway RMJX-5 Bid Project Management Department building materials thermally broken aluminum alloy window inquiry procurement

[Tender Notice] China Railway Electrification Bureau Group Co., Ltd. Zhengzhou Branch Ruimei Railway RMJX-5 Bid Project Management Department building materials thermally broken aluminum alloy window inquiry procurement Purchasing Unit: Zhengzhou Branch of China Railway Electrification Bureau Group Co., Ltd. Region: Jiangxi, Ganzhou, Ruijin Published: 2026-08-11 Bid Deadline: 2026-08-14