| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chem | China national standards | MT | 1237.95 | USD | 20250918 |
| Shandong Henrui Chem | China national standards | MT | 914.4 | USD | 20250918 |
| Sinopec | China national standards | MT | 914.4 | USD | 20250918 |
| Shandong Xingpeng Chem | China national standards | MT | 998.8 | USD | 20250918 |
| Qingdao Shengze Chem | China national standards | MT | 984.74 | USD | 20250918 |
| Lihuayi Weiyuan Chem | China national standards | MT | 984.74 | USD | 20250918 |
| Shiyou Yangzhou Chem | China national standards | MT | 984.74 | USD | 20250918 |
| Beijing Yanshan Petro | China national standards | MT | 984.74 | USD | 20250918 |
| Beijing Yanshan Petro | China national standards | MT | 1012.87 | USD | 20250918 |
| Shandong Jinshenrun Chem | China national standards | MT | 1012.87 | USD | 20250918 |