Inquiry document for labor subcontracting of the curtain wall, aluminum alloy doors and windows, and railing subcontract works for the Zuohai Holding Building project of Minmetals 23rd Metallurgical

[Tender Notice] Inquiry document for labor subcontracting of the curtain wall, aluminum alloy doors and windows, and railing subcontract works for the Zuohai Holding Building project of Minmetals 23rd Metallurgical Purchasing Unit: Minmetals Ruihe (Shanghai) Construction Co., Ltd. Region: Jing'an District, Shanghai Project No.: 14G08G00-XJ-20260820-001 Published: 2026-08-25