| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chem | China national standards | MT | 337.26 | USD | 20250825 |
| Nanjing Baitu Chem | China national standards | MT | 351.32 | USD | 20250825 |
| Jiangsu SOPO | China national standards | MT | 351.32 | USD | 20250825 |
| Hebei Chuangde Tech | China national standards | MT | 386.45 | USD | 20250825 |
| Shandong Langchem | China national standards | MT | 365.37 | USD | 20250825 |
| Shandong Langchem | China national standards | MT | 351.32 | USD | 20250825 |
| Shandong Langchem | China national standards | MT | 386.45 | USD | 20250825 |
| Shandong Langchem | China national standards | MT | 393.47 | USD | 20250825 |
| Chizhou Xinyu Chem | China national standards | MT | 351.32 | USD | 20250825 |
| Shandong Langchem | China national standards | MT | 392.59 | USD | 20250823 |