| Vendor | Spec | Unit | Price | Currency | Date |
| Mingquan | China national standards | MT | 447.66 | USD | 20260427 |
| Mingquan | China national standards | MT | USD | 20260310 | |
| Mingquan | China national standards | MT | USD | 20260309 | |
| Mingquan | China national standards | MT | USD | 20251231 | |
| Mingquan | China national standards | MT | USD | 20251229 |