| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyi | China national standards | MT | 281.47 | USD | 20251008 |
| Henan Huiyi | China national standards | MT | 281.47 | USD | 20251007 |
| Henan Huiyi | China national standards | MT | 281.47 | USD | 20251006 |
| Henan Huiyi | China national standards | MT | 281.47 | USD | 20251005 |
| Henan Huiyi | China national standards | MT | 281.47 | USD | 20251004 |
| Henan Huiyi | China national standards | MT | 281.47 | USD | 20251003 |
| Henan Huiyi | China national standards | MT | 281.47 | USD | 20251002 |
| Henan Huiyi | China national standards | MT | 281.47 | USD | 20251001 |
| Henan Huiyi | China national standards | MT | 281.47 | USD | 20250930 |
| Henan Huiyi | China national standards | MT | 281.34 | USD | 20250929 |