| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyi | China national standards | MT | 211.0 | USD | 20250902 |
| Henan Huiyi | China national standards | MT | 211.05 | USD | 20250901 |
| Henan Huiyi | China national standards | MT | 211.18 | USD | 20250831 |
| Henan Huiyi | China national standards | MT | 211.18 | USD | 20250830 |
| Henan Huiyi | China national standards | MT | 211.18 | USD | 20250829 |
| Henan Huiyi | China national standards | MT | 211.08 | USD | 20250828 |
| Henan Huiyi | China national standards | MT | 210.95 | USD | 20250827 |
| Henan Huiyi | China national standards | MT | 210.71 | USD | 20250826 |
| Henan Huiyi | China national standards | MT | 210.79 | USD | 20250825 |
| Henan Huiyi | China national standards | MT | 210.32 | USD | 20250824 |