| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Kunyu | China national standards | MT | 1242.48 | USD | 20251125 |
| Zibo Kunyu | China national standards | MT | 1242.11 | USD | 20251124 |
| Zibo Kunyu | China national standards | MT | 1241.62 | USD | 20251122 |
| Zibo Kunyu | China national standards | MT | 1241.68 | USD | 20251119 |
| Zibo Kunyu | China national standards | MT | 1241.96 | USD | 20251118 |
| Zibo Kunyu | China national standards | MT | 1242.66 | USD | 20251117 |
| Zibo Kunyu | China national standards | MT | 1242.5 | USD | 20251114 |
| Zibo Kunyu | China national standards | MT | 1242.36 | USD | 20251112 |
| Zibo Kunyu | China national standards | MT | 1241.96 | USD | 20251110 |
| Zibo Kunyu | China national standards | MT | 1242.31 | USD | 20251107 |