| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Chuangde Tech | China national standards | MT | 385.05 | USD | 20250725 |
| Hebei Chuangde Tech | China national standards | MT | 385.23 | USD | 20250724 |
| Hebei Chuangde Tech | China national standards | MT | 385.08 | USD | 20250723 |
| Hebei Chuangde Tech | China national standards | MT | 384.83 | USD | 20250722 |
| Hebei Chuangde Tech | China national standards | MT | 384.5 | USD | 20250721 |
| Hebei Chuangde Tech | China national standards | MT | 384.63 | USD | 20250718 |
| Hebei Chuangde Tech | China national standards | MT | 384.83 | USD | 20250717 |
| Hebei Chuangde Tech | China national standards | MT | 384.48 | USD | 20250716 |