| Vendor | Spec | Unit | Price | Currency | Date |
| Zhengzhou Zerun | China national standards | MT | 1125.35 | USD | 20250929 |
| Zhengzhou Zerun | China national standards | MT | 1124.35 | USD | 20250926 |
| Zhengzhou Zerun | China national standards | MT | 1125.86 | USD | 20250924 |
| Zhengzhou Zerun | China national standards | MT | 1125.08 | USD | 20250922 |
| Zhengzhou Zerun | China national standards | MT | 1124.73 | USD | 20250919 |