| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 930.25 | USD | 20251019 |
| Beijing Yanshan Petro | China national standards | MT | 1198.04 | USD | 20251018 |
| Shandong Aite Chem | China national standards | MT | 1099.38 | USD | 20251018 |
| Shandong Aite Chem | China national standards | MT | 1099.38 | USD | 20251018 |
| Beijing Yanshan Petro | China national standards | MT | 1057.1 | USD | 20251018 |
| Shandong Aite Chem | China national standards | MT | 1240.33 | USD | 20251018 |
| Shiyou Yangzhou Chem | China national standards | MT | 916.15 | USD | 20251018 |
| Lihuayi Weiyuan Chem | China national standards | MT | 916.15 | USD | 20251018 |
| Beijing Yanshan Petro | China national standards | MT | 916.15 | USD | 20251018 |
| Jinan Dezheng Chem | China national standards | MT | 916.15 | USD | 20251018 |