| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 1213.4 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 1333.33 | USD | 20251121 |
| Beijing Yanshan Petro | China national standards | MT | 898.39 | USD | 20251120 |
| Shandong Shuojia Chem | China national standards | MT | 898.39 | USD | 20251120 |
| Shandong Yushuo Chem | China national standards | MT | 902.62 | USD | 20251120 |
| Lihuayi Shandong | China national standards | MT | 898.39 | USD | 20251120 |
| Shandong Yushuo Chem | China national standards | MT | 902.62 | USD | 20251120 |
| Shandong Yushuo Chem | China national standards | MT | 895.56 | USD | 20251120 |
| Sinopec | China national standards | MT | 1248.15 | USD | 20251120 |
| Sinopec | China national standards | MT | 902.62 | USD | 20251120 |