| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyi | China national standards | MT | 281.48 | USD | 20250904 |
| Henan Huiyi | China national standards | MT | 281.26 | USD | 20250903 |
| Henan Huiyi | China national standards | MT | 281.34 | USD | 20250902 |
| Henan Huiyi | China national standards | MT | 281.4 | USD | 20250901 |
| Henan Huiyi | China national standards | MT | 281.57 | USD | 20250831 |
| Henan Huiyi | China national standards | MT | 281.57 | USD | 20250830 |
| Henan Huiyi | China national standards | MT | 281.57 | USD | 20250829 |
| Henan Huiyi | China national standards | MT | 281.44 | USD | 20250828 |
| Henan Huiyi | China national standards | MT | 281.26 | USD | 20250827 |
| Henan Huiyi | China national standards | MT | 280.95 | USD | 20250826 |