| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mengkanda Chem | China national standards | MT | 680.02 | USD | 20250822 |
| Shandong Fusheng | China national standards | MT | 841.27 | USD | 20250822 |
| Shandong Fusheng | China national standards | MT | 897.35 | USD | 20250822 |
| Shandong Fusheng | Industrial Grade | MT | 897.35 | USD | 20250822 |
| Qingdao Shengze Chem | China national standards | MT | 813.61 | USD | 20250821 |
| 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 |