| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 985.12 | USD | 20250924 |
| Aite Zhejiang | China national standards | MT | 1069.56 | USD | 20250924 |
| Aite Zhejiang | China national standards | MT | 1027.34 | USD | 20250924 |
| Shandong Huize Chem | China national standards | MT | 1041.42 | USD | 20250924 |
| Shandong Huize Chem | China national standards | MT | 1041.42 | USD | 20250924 |
| Shandong Jinwen Chem | China national standards | MT | 1041.42 | USD | 20250924 |
| Shandong Langchem | China national standards | MT | 1097.71 | USD | 20250924 |
| Shandong Langchem | China national standards | MT | 1097.71 | USD | 20250924 |
| Shandong Langchem | China national standards | MT | 1076.6 | USD | 20250924 |
| Shandong Langchem | China national standards | MT | 1252.52 | USD | 20250924 |