| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1266.59 | USD | 20250924 |
| Shandong Huize Chem | China national standards | MT | 1045.64 | USD | 20250924 |
| Shandong Jinling Chem | China national standards | MT | 1238.44 | USD | 20250924 |
| Shandong Jinwen Chem | China national standards | MT | 1210.3 | USD | 20250924 |
| Shandong Langchem | China national standards | MT | 1175.11 | USD | 20250924 |
| Shandong Langchem | China national standards | MT | 1196.22 | USD | 20250924 |
| Shandong Langchem | China national standards | MT | 1170.89 | USD | 20250924 |
| Shandong Langchem | China national standards | MT | 1210.3 | USD | 20250924 |
| Shandong Langchem | China national standards | MT | 1210.3 | USD | 20250924 |
| Wanhua Chem | China national standards | MT | 1336.95 | USD | 20250924 |