| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Chuangde Tech | China national standards | MT | 386.84 | USD | 20250902 |
| Hebei Chuangde Tech | China national standards | MT | 386.93 | USD | 20250901 |
| Hebei Chuangde Tech | China national standards | MT | 387.16 | USD | 20250829 |
| Hebei Chuangde Tech | China national standards | MT | 386.98 | USD | 20250828 |
| Hebei Chuangde Tech | China national standards | MT | 386.74 | USD | 20250827 |
| Hebei Chuangde Tech | China national standards | MT | 386.3 | USD | 20250826 |
| Hebei Chuangde Tech | China national standards | MT | 386.45 | USD | 20250825 |
| Hebei Chuangde Tech | China national standards | MT | 385.58 | USD | 20250823 |
| Hebei Chuangde Tech | China national standards | MT | 385.58 | USD | 20250822 |
| Hebei Chuangde Tech | China national standards | MT | 385.76 | USD | 20250821 |