| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 392.78 | USD | 20250821 |
| Shandong Langchem | China national standards | MT | 385.76 | USD | 20250821 |
| Shandong Langchem | China national standards | MT | 364.72 | USD | 20250821 |
| Hebei Chuangde Tech | China national standards | MT | 385.76 | USD | 20250821 |
| Yankuang Guotai Chem | China national standards | MT | 336.21 | USD | 20250820 |
| Nanjing Baitu Chem | China national standards | MT | 350.22 | USD | 20250820 |
| Jiangsu SOPO | China national standards | MT | 350.22 | USD | 20250820 |
| Chizhou Xinyu Chem | China national standards | MT | 406.25 | USD | 20250820 |
| Hebei Chuangde Tech | China national standards | MT | 385.24 | USD | 20250820 |
| Shandong Langchem | China national standards | MT | 364.23 | USD | 20250820 |