| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 612.49 | USD | 20251014 |
| Sinopec | China national standards | MT | 633.62 | USD | 20251014 |
| Beijing Yanshan Petro | China national standards | MT | 633.62 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 626.58 | USD | 20251014 |
| CNPC | China national standards | MT | 635.02 | USD | 20251014 |
| Shandong Jinwen Chem | China national standards | MT | 506.89 | USD | 20251014 |
| Lihuayi Weiyuan Chem | China national standards | MT | 520.97 | USD | 20251014 |
| Beijing Yanshan Petro | China national standards | MT | 520.97 | USD | 20251014 |
| Shandong Zhiheng | China national standards | MT | 633.62 | USD | 20251014 |
| Shandong Hongyang Chem | China national standards | MT | 668.82 | USD | 20251014 |