| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Qilu Tech | China national standards | MT | 1074.16 | USD | 20251210 |
| Hunan Qilu Tech | China national standards | MT | 1074.22 | USD | 20251205 |
| Hunan Qilu Tech | China national standards | MT | 1073.76 | USD | 20251127 |
| Hunan Qilu Tech | China national standards | MT | 1072.9 | USD | 20251107 |
| Hunan Qilu Tech | China national standards | MT | 1071.19 | USD | 20251017 |
| Hunan Qilu Tech | China national standards | MT | 1154.15 | USD | 20251010 |
| Hunan Qilu Tech | China national standards | MT | 1154.15 | USD | 20251010 |