| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Nanjing Baitu Chem | China national standards | MT | 350.39 | USD | 20250813 |
| Suqian Shunda Chem | China national standards | MT | 371.05 | USD | 20250812 |
| Hebei Chuangde Tech | China national standards | MT | 385.06 | USD | 20250812 |
| Shandong Langchem | China national standards | MT | 364.05 | USD | 20250812 |
| Shandong Langchem | China national standards | MT | 385.06 | USD | 20250812 |
| Shandong Langchem | China national standards | MT | 392.06 | USD | 20250812 |