| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Chuangde Tech | China national standards | MT | 385.08 | USD | 20250723 |
| Shandong Langchem | China national standards | MT | 385.08 | USD | 20250723 |
| Shandong Langchem | China national standards | MT | 392.08 | USD | 20250723 |
| Jiangsu SOPO | China national standards | MT | 420.09 | USD | 20250723 |
| Nanjing Baitu Chem | China national standards | MT | 420.09 | USD | 20250723 |
| Yankuang Guotai Chem | China national standards | MT | 335.85 | USD | 20250722 |
| Shandong Langchem | China national standards | MT | 391.83 | USD | 20250722 |
| Shandong Langchem | China national standards | MT | 384.83 | USD | 20250722 |
| Shandong Langchem | China national standards | MT | 363.84 | USD | 20250722 |
| Hebei Chuangde Tech | China national standards | MT | 384.83 | USD | 20250722 |