| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 989.08 | USD | 20251209 |
| Lihuayi Shandong | China national standards | MT | 924.08 | USD | 20251209 |
| Beijing Yanshan Petro | China national standards | MT | 1222.22 | USD | 20251209 |
| Kunlun Daqing Petro | China national standards | MT | 1201.02 | USD | 20251209 |
| Xiamen Yudeshun Chem | China national standards | MT | 1342.32 | USD | 20251209 |
| Xiamen Yudeshun Chem | China national standards | MT | 1342.32 | USD | 20251209 |
| Lihuayi Shandong | China national standards | MT | 1328.19 | USD | 20251209 |
| Shandong Xingpeng Chem | China national standards | MT | 893.0 | USD | 20251209 |
| Shandong Hanyue Chem | China national standards | MT | 932.56 | USD | 20251209 |
| Shandong Hanyue Chem | China national standards | MT | 932.56 | USD | 20251209 |