| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 391.49 | USD | 20250721 |
| Chizhou Xinyu Chem | China national standards | MT | 405.61 | USD | 20250719 |
| Yankuang Guotai Chem | China national standards | MT | 335.67 | USD | 20250718 |
| Chizhou Xinyu Chem | China national standards | MT | 405.61 | USD | 20250718 |
| Shandong Langchem | China national standards | MT | 391.62 | USD | 20250718 |
| Shandong Langchem | China national standards | MT | 384.63 | USD | 20250718 |
| Shandong Langchem | China national standards | MT | 349.66 | USD | 20250718 |
| Shandong Langchem | China national standards | MT | 363.65 | USD | 20250718 |
| Hebei Chuangde Tech | China national standards | MT | 384.63 | USD | 20250718 |
| Jiangsu SOPO | China national standards | MT | 419.59 | USD | 20250718 |