| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Qilu Tech | China national standards | MT | 1229.63 | USD | 20251210 |
| Hunan Qilu Tech | China national standards | MT | 1229.7 | USD | 20251205 |
| Hunan Qilu Tech | China national standards | MT | 1229.18 | USD | 20251127 |
| Hunan Qilu Tech | China national standards | MT | 1214.07 | USD | 20251107 |
| Hunan Qilu Tech | China national standards | MT | 1212.14 | USD | 20251017 |
| Hunan Qilu Tech | China national standards | MT | 1210.45 | USD | 20251010 |