| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Hualian Petro | China national standards | MT | 834.85 | USD | 20260112 |
| Shandong Wonfull Petro | China national standards | MT | 855.82 | USD | 20260112 |
| Shandong Haike Chem | China national standards | MT | 842.99 | USD | 20260112 |
| Shandong Haike Chem | China national standards | MT | 842.99 | USD | 20260112 |
| Shandong Haike Chem | China national standards | MT | 830.52 | USD | 20260109 |
| Dongying Hualian Petro | China national standards | MT | 830.95 | USD | 20260109 |
| Shandong Haike Chem | China national standards | MT | 830.52 | USD | 20260109 |
| Shandong Wonfull Petro | China national standards | MT | 847.61 | USD | 20260109 |
| Shandong Wonfull Petro | China national standards | MT | 847.61 | USD | 20260109 |
| Dongying Hualian Petro | China national standards | MT | 830.95 | USD | 20260109 |