| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 883.28 | USD | 20251201 |
| Shandong Mingyu | China national standards | MT | 1052.87 | USD | 20251201 |
| Shandong Junfeng | China national standards | MT | 1059.94 | USD | 20251201 |
| Jinan Angxin Chem | China national standards | MT | 918.61 | USD | 20251201 |
| Lihuayi Weiyuan Chem | China national standards | MT | 875.84 | USD | 20251130 |
| Shandong Xingpeng Chem | China national standards | MT | 882.91 | USD | 20251130 |
| Shandong Xingpeng Chem | China national standards | MT | 882.91 | USD | 20251130 |
| Shiyou Yangzhou Chem | China national standards | MT | 875.84 | USD | 20251130 |
| Shandong Jinshenrun Chem | China national standards | MT | 974.73 | USD | 20251130 |
| Beijing Yanshan Petro | China national standards | MT | 974.73 | USD | 20251130 |