| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chem | China national standards | MT | 419.59 | USD | 20250718 |
| Yankuang Guotai Chem | China national standards | MT | 335.85 | USD | 20250717 |
| Nanjing Baitu Chem | China national standards | MT | 419.81 | USD | 20250717 |
| Jiangsu SOPO | China national standards | MT | 419.81 | USD | 20250717 |
| Chizhou Xinyu Chem | China national standards | MT | 405.82 | USD | 20250717 |
| Hebei Chuangde Tech | China national standards | MT | 384.83 | USD | 20250717 |
| Shandong Langchem | China national standards | MT | 363.83 | USD | 20250717 |
| Shandong Langchem | China national standards | MT | 349.84 | USD | 20250717 |
| Shandong Langchem | China national standards | MT | 384.83 | USD | 20250717 |
| Shandong Langchem | China national standards | MT | 391.82 | USD | 20250717 |