Procurement Announcement for Pile Foundation Construction Contracting for 3N5 Aluminum Hydroxide Key Technology Development under the Bayer Process Impurity Precise Removal Technology Development Project of Chalco Shandong Advanced Materials Co., Ltd.

[Tender Notice] Procurement Announcement for Pile Foundation Construction Contracting for 3N5 Aluminum Hydroxide Key Technology Development under the Bayer Process Impurity Precise Removal Technology Development Project of Chalco Shandong Advanced Materials Co., Ltd. Purchasing Unit: Chinalco Shandong Co., Ltd. Region: Shandong, Zibo, Zhangdian District Project No.: 2026ZLSD-ZBB-SG-XB-074 Published: 2026-08-19 Document Deadline: 2026-08-22 Bid Deadline: 2026-08-24