| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Chifeng YunnanCopper | China national standards | MT | USD | 20250422 | |
| Chifeng Fubang | China national standards | MT | USD | 20250422 | |
| QHD Hefengxiang | China national standards | MT | USD | 20250422 | |
| Xiwuzhumuqin XATX | China national standards | MT | USD | 20250422 | |
| Bayannur Jinhui | China national standards | MT | USD | 20250422 | |
| Bayannur Feishang | China national standards | MT | USD | 20250422 | |
| Yuncheng NorthCopper | China national standards | MT | USD | 20250422 | |
| Handan ZONGHENG | China national standards | MT | USD | 20250422 | |
| Huludao Zinc | China national standards | MT | USD | 20250422 | |
| Hunchun Zijin | China national standards | MT | USD | 20250422 |
