| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wonfull Petro | China national standards | MT | 773.72 | USD | 20250918 |
| Shandong Langchem | China national standards | MT | 886.26 | USD | 20250918 |
| Shandong Langchem | China national standards | MT | 886.26 | USD | 20250918 |
| Shandong Jinwen Chem | China national standards | MT | 851.09 | USD | 20250918 |
| Shandong Jinwen Chem | China national standards | MT | 851.09 | USD | 20250918 |
| Jinan Angxin Chem | China national standards | MT | 815.92 | USD | 20250918 |
| Shandong Wonfull Petro | China national standards | MT | 815.92 | USD | 20250918 |
| Shandong Laya Chem | China national standards | MT | 745.59 | USD | 20250918 |
| Shandong Laya Chem | China national standards | MT | 745.59 | USD | 20250918 |
| Shandong Zhongke Taihua | China national standards | MT | 942.53 | USD | 20250918 |