| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Chuangde Tech | China national standards | MT | 385.45 | USD | 20250807 |
| Hebei Chuangde Tech | China national standards | MT | 385.11 | USD | 20250806 |
| Hebei Chuangde Tech | China national standards | MT | 385.34 | USD | 20250805 |
| Hebei Chuangde Tech | China national standards | MT | 385.18 | USD | 20250804 |
| Hebei Chuangde Tech | China national standards | MT | 384.64 | USD | 20250801 |
| Hebei Chuangde Tech | China national standards | MT | 384.65 | USD | 20250731 |
| Hebei Chuangde Tech | China national standards | MT | 384.93 | USD | 20250730 |
| Hebei Chuangde Tech | China national standards | MT | 384.56 | USD | 20250729 |
| Hebei Chuangde Tech | China national standards | MT | 384.79 | USD | 20250728 |
| Hebei Chuangde Tech | China national standards | MT | 385.05 | USD | 20250726 |