| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1013.3 | USD | 20250930 |
| Beijing Yanshan Petro | China national standards | MT | 1111.81 | USD | 20250930 |
| Shandong Zhiheng | China national standards | MT | 1111.81 | USD | 20250930 |
| Shandong Aite Chem | China national standards | MT | 1097.22 | USD | 20250929 |
| Shandong Aite Chem | China national standards | MT | 1097.22 | USD | 20250929 |
| Shandong Aite Chem | China national standards | MT | 1097.22 | USD | 20250929 |
| Shandong Aite Chem | China national standards | MT | 1097.22 | USD | 20250929 |
| Beijing Yanshan Petro | China national standards | MT | 1055.02 | USD | 20250929 |
| Beijing Yanshan Petro | China national standards | MT | 1055.02 | USD | 20250929 |
| Shandong Aite Chem | China national standards | MT | 1237.88 | USD | 20250929 |