| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| JL Longyuanqi | China national standards | MT | USD | 20260623 | |
| Jilin Dadi | China national standards | MT | USD | 20260623 | |
| Mengzi Metallurgy | China national standards | MT | USD | 20260623 | |
| Yunnan Copper | China national standards | MT | USD | 20260623 | |
| Huangshi Daye | China national standards | MT | USD | 20260623 | |
| Tangshan Baoshun | China national standards | MT | USD | 20260622 | |
| Bayannur Zijin | China national standards | MT | USD | 20260622 | |
| Baotou Huading | China national standards | MT | USD | 20260622 | |
| Chifeng Jintong | China national standards | MT | USD | 20260622 | |
| Chifeng YunnanCopper | China national standards | MT | USD | 20260622 |
