| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Yuncheng NorthCopper | China national standards | MT | USD | 20260624 | |
| Handan ZONGHENG | China national standards | MT | USD | 20260624 | |
| Zhuzhou Smelter | China national standards | MT | USD | 20260624 | |
| Huangshi Daye | China national standards | MT | USD | 20260624 | |
| Jiyuan Yuguang | China national standards | MT | USD | 20260624 | |
| LB Gold | China national standards | MT | USD | 20260624 | |
| Hunan Shuikoushan | China national standards | MT | USD | 20260624 | |
| Jiangxi Copper | China national standards | MT | USD | 20260624 | |
| Hunan Minmetals | China national standards | MT | USD | 20260624 | |
| Huaihua Hengguang | China national standards | MT | USD | 20260624 |
