| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 896.87 | USD | 20250819 |
| Shandong Langchem | China national standards | MT | 938.91 | USD | 20250819 |
| Shandong Langchem | China national standards | MT | 840.82 | USD | 20250819 |
| Shandong Fusheng | China national standards | MT | 896.87 | USD | 20250819 |
| Shandong Fusheng | Industrial Grade | MT | 896.87 | USD | 20250819 |
| Shandong Fusheng | China national standards | MT | 840.82 | USD | 20250819 |
| Qingdao Shengze Chem | Industrial Grade | MT | 820.22 | USD | 20250818 |
| Qingdao Shengze Chem | China national standards | MT | 820.22 | USD | 20250818 |
| Shandong Mengkanda Chem | China national standards | MT | 680.01 | USD | 20250818 |
| Shandong Xingpeng Chem | China national standards | MT | 658.98 | USD | 20250818 |