| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 900.28 | USD | 20250929 |
| Shandong Langchem | China national standards | MT | 935.45 | USD | 20250929 |
| Shandong Jinwen Chem | China national standards | MT | 844.01 | USD | 20250929 |
| Nanjing Runsheng Petro | Industrial Grade | MT | 872.15 | USD | 20250929 |
| Nanjing Runsheng Petro | China national standards | MT | 1547.36 | USD | 20250929 |
| Shandong Qiangsen Chem | China national standards | MT | 745.54 | USD | 20250929 |
| Shandong Fusheng | Industrial Grade | MT | 900.28 | USD | 20250929 |
| Shandong Fusheng | China national standards | MT | 900.28 | USD | 20250929 |
| Shandong Fusheng | China national standards | MT | 844.01 | USD | 20250929 |
| Qingdao Chengxin Chem | China national standards | MT | 787.05 | USD | 20250928 |