| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 985.15 | USD | 20250930 |
| Beijing Yanshan Petro | China national standards | MT | 985.15 | USD | 20250930 |
| Nantong Zhonghe Chem | China national standards | MT | 957.01 | USD | 20250930 |
| Jinan Xinbo Chem | China national standards | MT | 1154.04 | USD | 20250930 |
| Jinan Xinbo Chem | China national standards | MT | 1125.89 | USD | 20250930 |
| Sinopec | China national standards | MT | 964.04 | USD | 20250930 |
| Shandong Jiaen Chem | China national standards | MT | 1090.7 | USD | 20250930 |
| Shandong Aite Chem | China national standards | MT | 1238.48 | USD | 20250930 |
| Beijing Yanshan Petro | China national standards | MT | 1055.52 | USD | 20250930 |
| Shandong Aite Chem | China national standards | MT | 1097.74 | USD | 20250930 |