| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 840.94 | USD | 20251203 |
| Shandong Shuojia Chem | China national standards | MT | 932.81 | USD | 20251203 |
| Beijing Yanshan Petro | China national standards | MT | 908.78 | USD | 20251203 |
| Beijing Yanshan Petro | China national standards | MT | 848.01 | USD | 20251203 |
| Qingdao Shengze Chem | China national standards | MT | 840.94 | USD | 20251203 |
| Shiyou Yangzhou Chem | China national standards | MT | 840.94 | USD | 20251203 |
| Unknown | China national standards | MT | 855.08 | USD | 20251203 |
| Shandong Langchem | China national standards | MT | 1116.54 | USD | 20251203 |
| Shandong Jinshenrun Chem | China national standards | MT | 975.21 | USD | 20251203 |
| Beijing Yanshan Petro | China national standards | MT | 848.01 | USD | 20251203 |