| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyi | China national standards | MT | 282.34 | USD | 20251109 |
| Henan Huiyi | China national standards | MT | 282.34 | USD | 20251108 |
| Henan Huiyi | China national standards | MT | 282.34 | USD | 20251107 |
| Henan Huiyi | China national standards | MT | 282.23 | USD | 20251106 |
| Henan Huiyi | China national standards | MT | 282.08 | USD | 20251105 |
| Henan Huiyi | China national standards | MT | 282.15 | USD | 20251104 |
| Henan Huiyi | China national standards | MT | 282.22 | USD | 20251103 |
| Henan Huiyi | China national standards | MT | 282.17 | USD | 20251102 |
| Henan Huiyi | China national standards | MT | 282.17 | USD | 20251101 |
| Henan Huiyi | China national standards | MT | 282.17 | USD | 20251031 |