| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyi | China national standards | MT | 282.53 | USD | 20251130 |
| Henan Huiyi | China national standards | MT | 282.53 | USD | 20251129 |
| Henan Huiyi | China national standards | MT | 282.53 | USD | 20251128 |
| Henan Huiyi | China national standards | MT | 282.57 | USD | 20251127 |
| Henan Huiyi | China national standards | MT | 282.5 | USD | 20251126 |
| Henan Huiyi | China national standards | MT | 282.38 | USD | 20251125 |
| Henan Huiyi | China national standards | MT | 282.3 | USD | 20251124 |
| Henan Huiyi | China national standards | MT | 282.19 | USD | 20251123 |
| Henan Huiyi | China national standards | MT | 282.19 | USD | 20251122 |
| Henan Huiyi | China national standards | MT | 282.19 | USD | 20251121 |