| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Qilu Tech | China national standards | MT | 848.02 | USD | 20251210 |
| Hunan Qilu Tech | China national standards | MT | 847.71 | USD | 20251127 |
| Hunan Qilu Tech | China national standards | MT | 847.03 | USD | 20251107 |
| Hunan Qilu Tech | China national standards | MT | 845.68 | USD | 20251017 |
| Hunan Qilu Tech | China national standards | MT | 788.2 | USD | 20251010 |