| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 364.47 | USD | 20250814 |
| Shandong Langchem | China national standards | MT | 385.49 | USD | 20250814 |
| Shandong Langchem | China national standards | MT | 392.5 | USD | 20250814 |
| Yankuang Guotai Chem | China national standards | MT | 336.37 | USD | 20250813 |
| Chizhou Xinyu Chem | China national standards | MT | 420.46 | USD | 20250813 |
| Shandong Langchem | China national standards | MT | 392.43 | USD | 20250813 |
| Shandong Langchem | China national standards | MT | 385.42 | USD | 20250813 |
| Shandong Langchem | China national standards | MT | 364.4 | USD | 20250813 |
| Hebei Chuangde Tech | China national standards | MT | 385.42 | USD | 20250813 |
| Jiangsu SOPO | China national standards | MT | 350.39 | USD | 20250813 |