| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 850.29 | USD | 20250928 |
| Shandong Langchem | China national standards | MT | 864.35 | USD | 20250928 |
| Shandong Yuxuan Chem | China national standards | MT | 709.75 | USD | 20250928 |
| Shandong Jinwen Chem | China national standards | MT | 787.05 | USD | 20250928 |
| Shandong Yeyang Chem | China national standards | MT | 772.99 | USD | 20250928 |
| Shandong Yeyang Chem | China national standards | MT | 787.05 | USD | 20250928 |
| Shandong Yeyang Chem | China national standards | MT | 758.94 | USD | 20250928 |
| Shandong Yeyang Chem | China national standards | MT | 772.99 | USD | 20250928 |
| Shandong Yeyang Chem | China national standards | MT | 787.05 | USD | 20250928 |
| Shandong Yeyang Chem | China national standards | MT | 758.94 | USD | 20250928 |