| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 851.05 | USD | 20250929 |
| Shandong Jinwen Chem | China national standards | MT | 787.74 | USD | 20250929 |
| Nanjing Runsheng Petro | China national standards | MT | 731.48 | USD | 20250929 |
| Nanjing Runsheng Petro | China national standards | MT | 731.48 | USD | 20250929 |
| Nanjing Runsheng Petro | China national standards | MT | 731.48 | USD | 20250929 |
| Shandong Yeyang Chem | China national standards | MT | 787.74 | USD | 20250929 |
| Shandong Yeyang Chem | China national standards | MT | 773.68 | USD | 20250929 |
| Shandong Yeyang Chem | China national standards | MT | 759.61 | USD | 20250929 |
| Yankuang Guotai Chem | China national standards | MT | 779.3 | USD | 20250929 |
| Qingdao Chengxin Chem | China national standards | MT | 688.67 | USD | 20250928 |