| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 539.34 | USD | 20250820 |
| Shandong Qiangsen Chem | China national standards | MT | 504.31 | USD | 20250820 |
| Nanjing Baitu Chem | China national standards | MT | 616.38 | USD | 20250820 |
| Nanjing Baitu Chem | China national standards | MT | 616.38 | USD | 20250820 |
| Shandong Jinwen Chem | China national standards | MT | 504.31 | USD | 20250820 |
| Shandong Langchem | China national standards | MT | 504.31 | USD | 20250820 |
| Shandong Langchem | China national standards | MT | 623.39 | USD | 20250820 |
| Shandong Fusheng | China national standards | MT | 700.44 | USD | 20250820 |
| Shandong Fusheng | China national standards | MT | 700.44 | USD | 20250820 |
| Nanjing Daze | China national standards | MT | 770.48 | USD | 20250820 |