| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Chuangde Tech | China national standards | MT | 386.84 | USD | 20250929 |
| Hebei Chuangde Tech | China national standards | MT | 386.5 | USD | 20250928 |
| Hebei Chuangde Tech | China national standards | MT | 386.5 | USD | 20250926 |
| Hebei Chuangde Tech | China national standards | MT | 387.01 | USD | 20250925 |
| Hebei Chuangde Tech | China national standards | MT | 387.01 | USD | 20250924 |
| Hebei Chuangde Tech | China national standards | MT | 387.01 | USD | 20250923 |
| Hebei Chuangde Tech | China national standards | MT | 386.75 | USD | 20250922 |
| Hebei Chuangde Tech | China national standards | MT | 386.63 | USD | 20250920 |
| Hebei Chuangde Tech | China national standards | MT | 386.63 | USD | 20250919 |
| Hebei Chuangde Tech | China national standards | MT | 386.86 | USD | 20250918 |