| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Hualian Petro | China national standards | MT | 950.81 | USD | 20260302 |
| Shandong Haike Chem | China national standards | MT | 924.48 | USD | 20260228 |
| Dongying Hualian Petro | China national standards | MT | 922.03 | USD | 20260228 |
| Shandong Wonfull Petro | China national standards | MT | 938.93 | USD | 20260227 |
| Shandong Wonfull Petro | China national standards | MT | 938.93 | USD | 20260227 |
| Shandong Haike Chem | China national standards | MT | 933.15 | USD | 20260227 |
| Dongying Hualian Petro | China national standards | MT | 930.69 | USD | 20260227 |
| Dongying Hualian Petro | China national standards | MT | 922.12 | USD | 20260211 |
| Dongying Hualian Petro | China national standards | MT | 918.93 | USD | 20260205 |
| Shandong Haike Chem | China national standards | MT | 923.3 | USD | 20260204 |