| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hualu | China national standards | MT | 337.62 | USD | 20250918 |
| Shandong Shuojia Chem | China national standards | MT | 337.62 | USD | 20250918 |
| Shandong Shuojia Chem | China national standards | MT | 337.62 | USD | 20250918 |
| Shandong Hualu | China national standards | MT | 295.42 | USD | 20250918 |
| Hebei Pengfa Chem | China national standards | MT | 341.84 | USD | 20250918 |
| Henan Longyu | China national standards | MT | 302.45 | USD | 20250918 |
| 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 |