| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wonfull Petro | China national standards | MT | 921.91 | USD | 20251011 |
| Shandong Wonfull Petro | China national standards | MT | 928.24 | USD | 20251009 |
| Shandong Wonfull Petro | China national standards | MT | 924.64 | USD | 20250930 |
| Shandong Wonfull Petro | China national standards | MT | 928.41 | USD | 20250929 |
| Shandong Wonfull Petro | China national standards | MT | 927.59 | USD | 20250928 |
| Shandong Wonfull Petro | China national standards | MT | 931.65 | USD | 20250925 |
| Shandong Wonfull Petro | China national standards | MT | 931.65 | USD | 20250923 |
| Shandong Wonfull Petro | China national standards | MT | 959.41 | USD | 20250918 |