| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | Industrial Grade | MT | 813.61 | USD | 20250821 |
| Shandong Mengkanda Chem | China national standards | MT | 680.35 | USD | 20250821 |
| Qingdao Shengze Chem | China national standards | MT | 813.61 | USD | 20250821 |
| Qingdao Shengze Chem | Industrial Grade | MT | 813.61 | USD | 20250821 |
| Shandong Xingpeng Chem | China national standards | MT | 645.28 | USD | 20250821 |
| Shandong Fusheng | China national standards | MT | 897.78 | USD | 20250821 |
| Shandong Fusheng | Industrial Grade | MT | 897.78 | USD | 20250821 |
| Shandong Fusheng | China national standards | MT | 841.67 | USD | 20250821 |
| Shandong Qiangsen Chem | China national standards | MT | 743.47 | USD | 20250821 |
| Shandong Langchem | China national standards | MT | 897.78 | USD | 20250821 |