| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Kunyu | China national standards | MT | 1238.6 | USD | 20251011 |
| Zibo Kunyu | China national standards | MT | 1238.6 | USD | 20251010 |
| Zibo Kunyu | China national standards | MT | 1237.66 | USD | 20251009 |
| Zibo Kunyu | China national standards | MT | 1238.48 | USD | 20251008 |
| Zibo Kunyu | China national standards | MT | 1238.48 | USD | 20251006 |
| Zibo Kunyu | China national standards | MT | 1238.48 | USD | 20251005 |
| Zibo Kunyu | China national standards | MT | 1238.48 | USD | 20251004 |
| Zibo Kunyu | China national standards | MT | 1238.48 | USD | 20251003 |
| Zibo Kunyu | China national standards | MT | 1238.48 | USD | 20251002 |
| Zibo Kunyu | China national standards | MT | 1238.48 | USD | 20251001 |