| Vendor | Spec | Unit | Price | Currency | Date |
| Guanyang Hongteng | China national standards | MT | 475.67 | USD | 20250925 |
| Guanyang Hongteng | China national standards | MT | 475.67 | USD | 20250924 |
| Guanyang Hongteng | China national standards | MT | 464.42 | USD | 20250923 |
| Guanyang Hongteng | China national standards | MT | 464.1 | USD | 20250922 |
| Guanyang Hongteng | China national standards | MT | 463.95 | USD | 20250919 |
| Guanyang Hongteng | China national standards | MT | 464.23 | USD | 20250918 |