| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chem | China national standards | MT | 419.93 | USD | 20250730 |
| Jiangsu SOPO | China national standards | MT | 419.93 | USD | 20250730 |
| Chizhou Xinyu Chem | China national standards | MT | 419.93 | USD | 20250730 |
| Hebei Chuangde Tech | China national standards | MT | 384.93 | USD | 20250730 |
| Shandong Langchem | China national standards | MT | 363.94 | USD | 20250730 |
| Shandong Langchem | China national standards | MT | 349.94 | USD | 20250730 |
| Shandong Langchem | China national standards | MT | 384.93 | USD | 20250730 |
| Shandong Langchem | China national standards | MT | 391.93 | USD | 20250730 |
| Yankuang Guotai Chem | China national standards | MT | 335.61 | USD | 20250729 |
| Shandong Langchem | China national standards | MT | 391.55 | USD | 20250729 |