| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyi | China national standards | MT | 281.35 | USD | 20250918 |
| Henan Huiyi | China national standards | MT | 281.58 | USD | 20250916 |
| Henan Huiyi | China national standards | MT | 281.47 | USD | 20250915 |
| Henan Huiyi | China national standards | MT | 281.61 | USD | 20250914 |
| Henan Huiyi | China national standards | MT | 281.61 | USD | 20250913 |
| Henan Huiyi | China national standards | MT | 281.61 | USD | 20250912 |
| Henan Huiyi | China national standards | MT | 281.66 | USD | 20250909 |
| Henan Huiyi | China national standards | MT | 281.58 | USD | 20250908 |
| Henan Huiyi | China national standards | MT | 281.44 | USD | 20250907 |
| Henan Huiyi | China national standards | MT | 281.44 | USD | 20250905 |