| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Qilu Tech | China national standards | MT | 1102.43 | USD | 20251210 |
| Hunan Qilu Tech | China national standards | MT | 1102.49 | USD | 20251205 |
| Hunan Qilu Tech | China national standards | MT | 1102.02 | USD | 20251127 |
| Hunan Qilu Tech | China national standards | MT | 1101.14 | USD | 20251107 |
| Hunan Qilu Tech | China national standards | MT | 1099.38 | USD | 20251017 |
| Hunan Qilu Tech | China national standards | MT | 1140.07 | USD | 20251010 |