| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 634.88 | USD | 20251031 |
| Shandong Langchem | China national standards | MT | 627.82 | USD | 20251031 |
| CNPC | China national standards | MT | 636.29 | USD | 20251031 |
| Shandong Jinwen Chem | China national standards | MT | 507.9 | USD | 20251031 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 677.2 | USD | 20251031 |
| Shandong Fusheng | China national standards | MT | 705.42 | USD | 20251031 |
| Shandong Fusheng | China national standards | MT | 564.33 | USD | 20251031 |
| Shandong Hongyang Chem | China national standards | MT | 591.85 | USD | 20251031 |
| Shandong Zhiheng | China national standards | MT | 591.85 | USD | 20251031 |
| Shandong Zhenkun | China national standards | MT | 606.66 | USD | 20251031 |