| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyi | China national standards | MT | 211.0 | USD | 20250929 |
| Henan Huiyi | China national standards | MT | 210.82 | USD | 20250928 |
| Henan Huiyi | China national standards | MT | 210.82 | USD | 20250927 |
| Henan Huiyi | China national standards | MT | 210.82 | USD | 20250926 |
| Henan Huiyi | China national standards | MT | 211.1 | USD | 20250925 |
| Henan Huiyi | China national standards | MT | 211.1 | USD | 20250924 |
| Henan Huiyi | China national standards | MT | 211.1 | USD | 20250923 |
| Henan Huiyi | China national standards | MT | 210.95 | USD | 20250922 |
| Henan Huiyi | China national standards | MT | 210.89 | USD | 20250921 |
| Henan Huiyi | China national standards | MT | 210.89 | USD | 20250920 |