| Vendor | Spec | Unit | Price | Currency | Date |
| Yuncheng NorthCopper | China national standards | MT | 235.98 | USD | 20260409 |
| Yuncheng NorthCopper | China national standards | MT | 235.88 | USD | 20260408 |
| Yuncheng NorthCopper | China national standards | MT | 191.71 | USD | 20260407 |
| Yuncheng NorthCopper | China national standards | MT | 191.5 | USD | 20260403 |
| Yuncheng NorthCopper | China national standards | MT | 191.64 | USD | 20260402 |
| Yuncheng NorthCopper | China national standards | MT | 191.64 | USD | 20260402 |
| Yuncheng NorthCopper | China national standards | MT | USD | 20260401 | |
| Yuncheng NorthCopper | China national standards | MT | USD | 20260401 | |
| Yuncheng NorthCopper | China national standards | MT | USD | 20260331 | |
| Yuncheng NorthCopper | China national standards | MT | USD | 20260331 |