| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 1060.01 | USD | 20251203 |
| Shandong Junfeng | China national standards | MT | 918.68 | USD | 20251203 |
| Zibo Jinshuo Chem | China national standards | MT | 862.14 | USD | 20251203 |
| Shandong Aite Chem | China national standards | MT | 1243.75 | USD | 20251203 |
| Shandong Langchem | China national standards | MT | 1130.68 | USD | 20251203 |
| Shandong Junfeng | China national standards | MT | 1060.01 | USD | 20251203 |
| Jinan Angxin Chem | China national standards | MT | 918.68 | USD | 20251203 |
| Beijing Yanshan Petro | China national standards | MT | 961.08 | USD | 20251203 |
| Beijing Yanshan Petro | China national standards | MT | 908.78 | USD | 20251203 |
| Unknown | China national standards | MT | 855.08 | USD | 20251203 |