| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyi | China national standards | MT | 280.25 | USD | 20250805 |
| Henan Huiyi | China national standards | MT | 280.13 | USD | 20250804 |
| Henan Huiyi | China national standards | MT | 279.74 | USD | 20250803 |
| Henan Huiyi | China national standards | MT | 279.74 | USD | 20250802 |
| Henan Huiyi | China national standards | MT | 279.74 | USD | 20250801 |
| Henan Huiyi | China national standards | MT | 279.74 | USD | 20250731 |
| Henan Huiyi | China national standards | MT | 279.95 | USD | 20250730 |
| Henan Huiyi | China national standards | MT | 279.68 | USD | 20250729 |
| Henan Huiyi | China national standards | MT | 279.85 | USD | 20250728 |
| Henan Huiyi | China national standards | MT | 280.04 | USD | 20250727 |