| Vendor | Spec | Unit | Price | Currency | Date |
| Yuncheng NorthCopper | China national standards | MT | 237.13 | USD | 20260525 |
| Yuncheng NorthCopper | China national standards | MT | 236.94 | USD | 20260522 |
| Yuncheng NorthCopper | China national standards | MT | 237.02 | USD | 20260521 |
| Yuncheng NorthCopper | China national standards | MT | 236.85 | USD | 20260520 |
| Yuncheng NorthCopper | China national standards | MT | 236.93 | USD | 20260519 |
| Yuncheng NorthCopper | China national standards | MT | 236.72 | USD | 20260518 |
| Yuncheng NorthCopper | China national standards | MT | USD | 20260515 | |
| Yuncheng NorthCopper | China national standards | MT | USD | 20260514 | |
| Yuncheng NorthCopper | China national standards | MT | USD | 20260513 | |
| Yuncheng NorthCopper | China national standards | MT | USD | 20260512 |