| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Huayi | China national standards | MT | 422.2 | USD | 20250924 |
| Shandong Zhenkun | China national standards | MT | 422.2 | USD | 20250924 |
| Shandong Hualu | China national standards | MT | 422.2 | USD | 20250924 |
| Shandong Zhenkun | China national standards | MT | 394.05 | USD | 20250924 |
| Xiangyang Youdeshi Chem | China national standards | MT | 365.9 | USD | 20250924 |
| Changzhou Yihan Chem | China national standards | MT | 394.05 | USD | 20250924 |
| Changzhou Yihan Chem | China national standards | MT | 394.05 | USD | 20250924 |
| Henan Longyu | China national standards | MT | 302.57 | USD | 20250924 |
| Hebei Pengfa Chem | China national standards | MT | 329.31 | USD | 20250924 |
| Henan Longyu | China national standards | MT | 302.57 | USD | 20250924 |