| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Chuangde Tech | China national standards | MT | 387.47 | USD | 20251020 |
| Hebei Chuangde Tech | China national standards | MT | 387.6 | USD | 20251017 |
| Hebei Chuangde Tech | China national standards | MT | 387.5 | USD | 20251016 |
| Hebei Chuangde Tech | China national standards | MT | 387.35 | USD | 20251015 |
| Hebei Chuangde Tech | China national standards | MT | 387.21 | USD | 20251014 |
| Hebei Chuangde Tech | China national standards | MT | 387.29 | USD | 20251013 |
| Hebei Chuangde Tech | China national standards | MT | 387.06 | USD | 20251011 |
| Hebei Chuangde Tech | China national standards | MT | 387.06 | USD | 20251010 |
| Hebei Chuangde Tech | China national standards | MT | 386.77 | USD | 20251009 |
| Hebei Chuangde Tech | China national standards | MT | 387.02 | USD | 20250930 |