| Vendor | Spec | Unit | Price | Currency | Date |
| Guanyang Hongteng | China national standards | MT | 507.08 | USD | 20251015 |
| Guanyang Hongteng | China national standards | MT | 506.89 | USD | 20251014 |
| Guanyang Hongteng | China national standards | MT | 504.18 | USD | 20251013 |
| Guanyang Hongteng | China national standards | MT | 503.88 | USD | 20251011 |
| Guanyang Hongteng | China national standards | MT | 503.88 | USD | 20251010 |
| Guanyang Hongteng | China national standards | MT | 503.5 | USD | 20251009 |
| Guanyang Hongteng | China national standards | MT | 489.76 | USD | 20250930 |
| Guanyang Hongteng | China national standards | MT | 489.53 | USD | 20250929 |
| Guanyang Hongteng | China national standards | MT | 489.09 | USD | 20250928 |
| Guanyang Hongteng | China national standards | MT | 489.09 | USD | 20250926 |