| Vendor | Spec | Unit | Price | Currency | Date |
| Kunlun Daqing Petro | China national standards | MT | 1199.21 | USD | 20251031 |
| Shandong Hongyang Chem | China national standards | MT | 1192.16 | USD | 20251031 |
| Shandong Hongyang Chem | China national standards | MT | 1192.16 | USD | 20251031 |
| Shandong Zhiheng | China national standards | MT | 1170.99 | USD | 20251031 |
| Sinopec | China national standards | MT | 1213.32 | USD | 20251031 |
| CNPC | China national standards | MT | 1213.32 | USD | 20251031 |
| Weifang Shuoxin Chem | China national standards | MT | 874.92 | USD | 20251030 |
| Sinopec | China national standards | MT | 884.79 | USD | 20251030 |
| Sinopec | China national standards | MT | 884.79 | USD | 20251030 |
| Sinopec | China national standards | MT | 884.79 | USD | 20251030 |