| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Chuangde Tech | China national standards | MT | 386.86 | USD | 20250918 |
| Hebei Chuangde Tech | China national standards | MT | 387.25 | USD | 20250917 |
| Hebei Chuangde Tech | China national standards | MT | 387.18 | USD | 20250916 |
| Hebei Chuangde Tech | China national standards | MT | 387.02 | USD | 20250915 |
| Hebei Chuangde Tech | China national standards | MT | 387.22 | USD | 20250912 |
| Hebei Chuangde Tech | China national standards | MT | 387.28 | USD | 20250909 |
| Hebei Chuangde Tech | China national standards | MT | 386.98 | USD | 20250906 |
| Hebei Chuangde Tech | China national standards | MT | 386.98 | USD | 20250905 |
| Hebei Chuangde Tech | China national standards | MT | 387.04 | USD | 20250904 |
| Hebei Chuangde Tech | China national standards | MT | 386.74 | USD | 20250903 |