CNMC Orient Central Procurement Key Laboratory Vanadium Pentoxide Testing Service Scientific Research Differentiated Direct Procurement Project Secondary Central Procurement Scientific Research Invitation Letter

[Tender Notice] CNMC Orient Central Procurement Key Laboratory Vanadium Pentoxide Testing Service Scientific Research Differentiated Direct Procurement Project Secondary Central Procurement Scientific Research Invitation Letter Purchasing Unit: China Nonferrous Metals (Ningxia) Orient Group Co., Ltd. Materials Centralized Procurement Center Branch Region: Dawukou District, Shizuishan, Ningxia Hui Autonomous Region Project No.: JCZXKLJ2026072126 Published: 2026-07-21 Bid Deadline: 2026-07-23