| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 1112.35 | USD | 20251014 |
| Shandong Hongyang Chem | China national standards | MT | 1013.78 | USD | 20251014 |
| Jinan Xinhou | China national standards | MT | 1126.43 | USD | 20251014 |
| Shandong Jiaen Chem | China national standards | MT | 1091.23 | USD | 20251014 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1182.75 | USD | 20251014 |
| Jinan Xinbo Chem | China national standards | MT | 1154.59 | USD | 20251014 |
| Jinan Xinbo Chem | China national standards | MT | 1126.43 | USD | 20251014 |
| Jinan Dezheng Chem | China national standards | MT | 922.26 | USD | 20251014 |
| Shiyou Yangzhou Chem | China national standards | MT | 922.26 | USD | 20251014 |
| Lihuayi Weiyuan Chem | China national standards | MT | 922.26 | USD | 20251014 |