| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 918.22 | USD | 20251130 |
| Jinan Jinrihe Chem | China national standards | MT | 1002.98 | USD | 20251130 |
| Shandong Xingpeng Chem | China national standards | MT | 882.91 | USD | 20251130 |
| Lihuayi Weiyuan Chem | China national standards | MT | 875.84 | USD | 20251130 |
| Lihuayi Weiyuan Chem | China national standards | MT | 875.84 | USD | 20251130 |
| Shandong Xingpeng Chem | China national standards | MT | 882.91 | USD | 20251130 |
| Beijing Yanshan Petro | China national standards | MT | 974.73 | USD | 20251130 |
| Shandong Xingpeng Chem | China national standards | MT | 861.72 | USD | 20251130 |
| Beijing Yanshan Petro | China national standards | MT | 875.84 | USD | 20251130 |
| Shandong Jinshenrun Chem | China national standards | MT | 974.73 | USD | 20251130 |