| Vendor | Spec | Unit | Price | Currency | Date |
| Ningxia Donghe | China national standards | MT | 820.63 | USD | 20260528 |
| Ningxia Donghe | China national standards | MT | 820.02 | USD | 20260527 |
| Ningxia Donghe | China national standards | MT | 820.06 | USD | 20260526 |
| Ningxia Donghe | China national standards | MT | 819.7 | USD | 20260525 |
| Ningxia Donghe | China national standards | MT | 819.04 | USD | 20260522 |
| Ningxia Donghe | China national standards | MT | 833.96 | USD | 20260521 |
| Ningxia Donghe | China national standards | MT | USD | 20260520 | |
| Ningxia Donghe | China national standards | MT | USD | 20260519 | |
| Ningxia Donghe | China national standards | MT | USD | 20260518 | |
| Ningxia Donghe | China national standards | MT | USD | 20260515 |