| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 1568.26 | USD | 20251127 |
| Qingdao Shengze Chem | China national standards | MT | 1596.52 | USD | 20251127 |
| Shandong Langchem | China national standards | MT | 1172.66 | USD | 20251127 |
| Shandong Jinshenrun Chem | China national standards | MT | 1582.39 | USD | 20251127 |
| Shandong Langchem | China national standards | MT | 1175.49 | USD | 20251127 |
| Shandong Langchem | China national standards | MT | 1175.49 | USD | 20251127 |
| Shandong Yaowang Chem | China national standards | MT | 1836.7 | USD | 20251127 |
| Hunan JinyuChem | China national standards | MT | 1582.39 | USD | 20251127 |
| Jinan Aochen Chem | China national standards | MT | 1356.33 | USD | 20251127 |
| Shandong Langchem | China national standards | MT | 1175.49 | USD | 20251127 |