| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Chuangde Tech | China national standards | MT | 385.23 | USD | 20250724 |
| Chizhou Xinyu Chem | China national standards | MT | 420.09 | USD | 20250723 |
| Shandong Langchem | China national standards | MT | 364.07 | USD | 20250723 |
| Shandong Langchem | China national standards | MT | 350.07 | USD | 20250723 |
| Hebei Chuangde Tech | China national standards | MT | 385.08 | USD | 20250723 |
| Shandong Langchem | China national standards | MT | 385.08 | USD | 20250723 |
| Shandong Langchem | China national standards | MT | 392.08 | USD | 20250723 |
| Jiangsu SOPO | China national standards | MT | 420.09 | USD | 20250723 |
| Nanjing Baitu Chem | China national standards | MT | 420.09 | USD | 20250723 |
| Yankuang Guotai Chem | China national standards | MT | 335.85 | USD | 20250722 |