[CG-JS-DY-2026-009] Single-source procurement invitation letter for aluminum alloy doors and windows materials for the Shenshan High School Park (comprehensive high school) project of Shenzhen Special Zone Construction Engineering Science & Industry Group Construction Co., Ltd.

[Tender Notice] [CG-JS-DY-2026-009] Single-source procurement invitation letter for aluminum alloy doors and windows materials for the Shenshan High School Park (comprehensive high school) project of Shenzhen Special Zone Construction Engineering Science & Industry Group Construction Co., Ltd. Purchasing Unit: Shenzhen Special Economic Zone Construction Engineering Science and Technology Group Construction Co., Ltd. Region: Haifeng County, Shanwei, Guangdong Project No.: TQJG20260825HW0003 Budget: CNY 4.8M Published: 2026-08-25 Document Deadline: 2026-08-28 Bid Deadline: 2026-09-01 Bid Opening: 2026-09-01