| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyi | China national standards | MT | 280.23 | USD | 20250815 |
| Henan Huiyi | China national standards | MT | 280.36 | USD | 20250814 |
| Henan Huiyi | China national standards | MT | 280.31 | USD | 20250813 |
| Henan Huiyi | China national standards | MT | 280.04 | USD | 20250812 |
| Henan Huiyi | China national standards | MT | 280.09 | USD | 20250811 |
| Henan Huiyi | China national standards | MT | 280.18 | USD | 20250810 |
| Henan Huiyi | China national standards | MT | 280.18 | USD | 20250809 |
| Henan Huiyi | China national standards | MT | 280.18 | USD | 20250808 |
| Henan Huiyi | China national standards | MT | 280.33 | USD | 20250807 |
| Henan Huiyi | China national standards | MT | 280.08 | USD | 20250806 |