Chinalco Aluminum Foil (Yunnan) Co., Ltd. Direct Procurement Public Notice for Scientific and Technological Achievement Appraisal Service of '8-Series Low Pinhole, High Composite, High Surface Packaging Aluminum Foil Green Short Process Technology'

[Tender Notice] Chinalco Aluminum Foil (Yunnan) Co., Ltd. Direct Procurement Public Notice for Scientific and Technological Achievement Appraisal Service of '8-Series Low Pinhole, High Composite, High Surface Packaging Aluminum Foil Green Short Process Technology' Purchasing Unit: Chinalco Aluminum Foil (Yunnan) Co., Ltd. Region: Chenggong District, Kunming, Yunnan Industry: Services Published: 2026-07-10 Bid Deadline: 2026-07-14