| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Chuangde Tech | China national standards | MT | 385.24 | USD | 20250820 |
| Hebei Chuangde Tech | China national standards | MT | 385.38 | USD | 20250819 |
| Hebei Chuangde Tech | China national standards | MT | 385.58 | USD | 20250818 |
| Hebei Chuangde Tech | China national standards | MT | 385.31 | USD | 20250815 |
| Hebei Chuangde Tech | China national standards | MT | 385.49 | USD | 20250814 |
| Hebei Chuangde Tech | China national standards | MT | 385.42 | USD | 20250813 |
| Hebei Chuangde Tech | China national standards | MT | 385.06 | USD | 20250812 |
| Hebei Chuangde Tech | China national standards | MT | 385.13 | USD | 20250811 |
| Hebei Chuangde Tech | China national standards | MT | 385.25 | USD | 20250809 |
| Hebei Chuangde Tech | China national standards | MT | 385.25 | USD | 20250808 |