| Vendor | Spec | Unit | Price | Currency | Date |
| Xinyang Xinchen | China national standards | MT | 514.61 | USD | 20251024 |
| Xinyang Xinchen | China national standards | MT | 514.68 | USD | 20251023 |
| Xinyang Xinchen | China national standards | MT | 514.42 | USD | 20251022 |
| Xinyang Xinchen | China national standards | MT | 514.59 | USD | 20251021 |
| Xinyang Xinchen | China national standards | MT | 514.28 | USD | 20251020 |
| Xinyang Xinchen | China national standards | MT | 514.45 | USD | 20251017 |
| Xinyang Xinchen | China national standards | MT | 514.32 | USD | 20251016 |
| Xinyang Xinchen | China national standards | MT | 514.12 | USD | 20251015 |
| Xinyang Xinchen | China national standards | MT | 513.93 | USD | 20251014 |
| Xinyang Xinchen | China national standards | MT | 514.03 | USD | 20251013 |