Tender announcement for aluminum alloy door and window engineering of Zhengzhou Machinery Research Institute Co., Ltd. High-end Equipment Manufacturing Industrial Park Phase II (Workshop 3)

[Tender Notice] Tender announcement for aluminum alloy door and window engineering of Zhengzhou Machinery Research Institute Co., Ltd. High-end Equipment Manufacturing Industrial Park Phase II (Workshop 3) Purchasing Unit: China Academy of Machinery Science and Technology Group Zhengzhou Machinery Research Institute Co., Ltd. Agency: 河南德新工程管理咨询有限公司 Region: Zhongyuan District, Zhengzhou, Henan Published: 2026-07-16 Document Deadline: 2026-07-23