| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Hualian Petro | China national standards | MT | 909.55 | USD | 20250925 |
| Zibo Xintai Chem | China national standards | MT | 907.72 | USD | 20250925 |
| Shandong Wonfull Petro | China national standards | MT | 931.65 | USD | 20250925 |
| Zibo Xintai Chem | China national standards | MT | 910.54 | USD | 20250924 |
| Zhenghe | China national standards | MT | 1013.27 | USD | 20250924 |
| Dongying Hualian Petro | China national standards | MT | 912.37 | USD | 20250923 |
| Zhenghe | China national standards | MT | 1013.27 | USD | 20250923 |
| Shandong Wonfull Petro | China national standards | MT | 931.65 | USD | 20250923 |
| Dongying Hualian Petro | China national standards | MT | 917.36 | USD | 20250922 |
| Zhenghe | China national standards | MT | 1012.57 | USD | 20250922 |