| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 384.56 | USD | 20250729 |
| Shandong Langchem | China national standards | MT | 363.58 | USD | 20250729 |
| Hebei Chuangde Tech | China national standards | MT | 384.56 | USD | 20250729 |
| Shandong Langchem | China national standards | MT | 349.6 | USD | 20250729 |
| Nanjing Baitu Chem | China national standards | MT | 419.52 | USD | 20250729 |
| Jiangsu SOPO | China national standards | MT | 419.52 | USD | 20250729 |
| Chizhou Xinyu Chem | China national standards | MT | 419.52 | USD | 20250729 |
| Yankuang Guotai Chem | China national standards | MT | 335.82 | USD | 20250728 |
| Hebei Chuangde Tech | China national standards | MT | 384.79 | USD | 20250728 |
| Shandong Langchem | China national standards | MT | 363.8 | USD | 20250728 |