| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshenrun Chem | China national standards | MT | 365.76 | USD | 20250918 |
| Shandong Langchem | China national standards | MT | 393.89 | USD | 20250918 |
| Shandong Langchem | China national standards | MT | 393.89 | USD | 20250918 |
| Shandong Langchem | China national standards | MT | 386.86 | USD | 20250918 |
| Shandong Langchem | China national standards | MT | 386.86 | USD | 20250918 |
| Shandong Langchem | China national standards | MT | 351.69 | USD | 20250918 |
| Shandong Langchem | China national standards | MT | 365.76 | USD | 20250918 |
| Hebei Chuangde Tech | China national standards | MT | 386.86 | USD | 20250918 |
| Shandong Langchem | China national standards | MT | 365.76 | USD | 20250918 |
| Hebei Chuangde Tech | China national standards | MT | 386.86 | USD | 20250918 |