| Vendor | Spec | Unit | Price | Currency | Date |
| Xinyang Xinchen | China national standards | MT | 493.89 | USD | 20251111 |
| Xinyang Xinchen | China national standards | MT | 493.96 | USD | 20251110 |
| Xinyang Xinchen | China national standards | MT | 494.1 | USD | 20251107 |
| Xinyang Xinchen | China national standards | MT | 493.9 | USD | 20251106 |
| Xinyang Xinchen | China national standards | MT | 493.65 | USD | 20251105 |
| Xinyang Xinchen | China national standards | MT | 493.76 | USD | 20251104 |
| Xinyang Xinchen | China national standards | MT | 493.88 | USD | 20251103 |
| Xinyang Xinchen | China national standards | MT | 494.05 | USD | 20251029 |
| Xinyang Xinchen | China national standards | MT | 515.13 | USD | 20251028 |
| Xinyang Xinchen | China national standards | MT | 514.95 | USD | 20251027 |