| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Kunyu | China national standards | MT | 1241.8 | USD | 20251106 |
| Zibo Kunyu | China national standards | MT | 1241.17 | USD | 20251105 |
| Zibo Kunyu | China national standards | MT | 1241.76 | USD | 20251103 |
| Zibo Kunyu | China national standards | MT | 1241.53 | USD | 20251102 |
| Zibo Kunyu | China national standards | MT | 1241.53 | USD | 20251031 |
| Zibo Kunyu | China national standards | MT | 1241.53 | USD | 20251031 |
| Zibo Kunyu | China national standards | MT | 1241.82 | USD | 20251030 |
| Zibo Kunyu | China national standards | MT | 1242.18 | USD | 20251029 |
| Zibo Kunyu | China national standards | MT | 1241.96 | USD | 20251028 |
| Zibo Kunyu | China national standards | MT | 1241.52 | USD | 20251027 |