| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Tianchen | China national standards | MT | 1574.16 | USD | 20260429 |
| Zibo Tianchen | China national standards | MT | 1560.02 | USD | 20260428 |
| Zibo Tianchen | China national standards | MT | 1560.24 | USD | 20260427 |
| Zibo Tianchen | China national standards | MT | 1558.09 | USD | 20260424 |
| Zibo Tianchen | China national standards | MT | 1558.97 | USD | 20260423 |
| Zibo Tianchen | China national standards | MT | 1558.97 | USD | 20260422 |
| Zibo Tianchen | China national standards | MT | USD | 20260421 | |
| Zibo Tianchen | China national standards | MT | USD | 20260420 | |
| Zibo Tianchen | China national standards | MT | USD | 20260417 | |
| Zibo Tianchen | China national standards | MT | USD | 20260416 |