| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 944.34 | USD | 20251017 |
| Shandong Jiaen Chem | China national standards | MT | 1092.33 | USD | 20251017 |
| Jinan Dezheng Chem | China national standards | MT | 916.15 | USD | 20251017 |
| Beijing Yanshan Petro | China national standards | MT | 916.15 | USD | 20251017 |
| Lihuayi Weiyuan Chem | China national standards | MT | 916.15 | USD | 20251017 |
| Shiyou Yangzhou Chem | China national standards | MT | 916.15 | USD | 20251017 |
| Beijing Yanshan Petro | China national standards | MT | 951.39 | USD | 20251017 |
| Lihuayi Weiyuan Chem | China national standards | MT | 951.39 | USD | 20251017 |
| Beijing Yanshan Petro | China national standards | MT | 1198.04 | USD | 20251017 |
| Qingdao Shengze Chem | China national standards | MT | 923.2 | USD | 20251017 |