| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu | China national standards | MT | 1050.05 | USD | 20251018 |
| Shandong Jiaen Chem | China national standards | MT | 1092.33 | USD | 20251018 |
| Shandong Xingpeng Chem | China national standards | MT | 916.15 | USD | 20251018 |
| Qingdao Shengze Chem | China national standards | MT | 923.2 | USD | 20251018 |
| Lihuayi Weiyuan Chem | China national standards | MT | 923.2 | USD | 20251018 |
| Beijing Yanshan Petro | China national standards | MT | 923.2 | USD | 20251018 |
| Qingdao Shengze Chem | China national standards | MT | 923.2 | USD | 20251018 |
| Beijing Yanshan Petro | China national standards | MT | 986.62 | USD | 20251018 |
| Shandong Jinshenrun Chem | China national standards | MT | 986.62 | USD | 20251018 |
| Shandong Jinshenrun Chem | China national standards | MT | 986.62 | USD | 20251018 |