| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wonfull Petro | China national standards | MT | 1218.86 | USD | 20260311 |
| Shandong Haike Chem | China national standards | MT | 1204.35 | USD | 20260311 |
| Dongying Hualian Petro | China national standards | MT | 1072.51 | USD | 20260306 |
| Shandong Wonfull Petro | China national standards | MT | 1043.37 | USD | 20260305 |
| Dongying Hualian Petro | China national standards | MT | 1043.81 | USD | 20260305 |
| Shandong Haike Chem | China national standards | MT | 1047.72 | USD | 20260305 |
| Dongying Hualian Petro | China national standards | MT | 1001.53 | USD | 20260304 |
| Shandong Wonfull Petro | China national standards | MT | 960.48 | USD | 20260302 |
| Dongying Hualian Petro | China national standards | MT | 950.81 | USD | 20260302 |
| Shandong Wonfull Petro | China national standards | MT | 960.48 | USD | 20260302 |