| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chem | China national standards | MT | 350.12 | USD | 20250811 |
| Hebei Chuangde Tech | China national standards | MT | 385.25 | USD | 20250809 |
| Shandong Langchem | China national standards | MT | 364.24 | USD | 20250809 |
| Shandong Langchem | China national standards | MT | 385.25 | USD | 20250809 |
| Shandong Langchem | China national standards | MT | 392.26 | USD | 20250809 |
| Shandong Langchem | China national standards | MT | 392.26 | USD | 20250808 |
| Shandong Langchem | China national standards | MT | 385.25 | USD | 20250808 |
| Shandong Langchem | China national standards | MT | 364.24 | USD | 20250808 |
| Hebei Chuangde Tech | China national standards | MT | 385.25 | USD | 20250808 |
| Yankuang Guotai Chem | China national standards | MT | 336.22 | USD | 20250808 |