| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chem | China national standards | MT | 844.4 | USD | 20250915 |
| Shandong Xingpeng Chem | China national standards | MT | 647.38 | USD | 20250915 |
| Qingdao Shengze Chem | Industrial Grade | MT | 816.26 | USD | 20250915 |
| Qingdao Shengze Chem | Industrial Grade | MT | 816.26 | USD | 20250915 |
| Qingdao Shengze Chem | Industrial Grade | MT | 816.26 | USD | 20250915 |
| Qingdao Shengze Chem | Industrial Grade | MT | 816.26 | USD | 20250915 |
| Shandong Qiangsen Chem | China national standards | MT | 745.89 | USD | 20250915 |
| Shandong Langchem | China national standards | MT | 844.4 | USD | 20250915 |
| Shandong Langchem | China national standards | MT | 942.92 | USD | 20250915 |
| Shandong Langchem | Industrial Grade | MT | 907.73 | USD | 20250915 |