| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Hualian Petro | China national standards | MT | 818.41 | USD | 20260106 |
| Dongying Hualian Petro | China national standards | MT | 818.41 | USD | 20260106 |
| Shandong Wonfull Petro | China national standards | MT | 836.5 | USD | 20260106 |
| Shandong Haike Chem | China national standards | MT | 823.68 | USD | 20260106 |
| Shandong Haike Chem | China national standards | MT | 815.89 | USD | 20260105 |
| Dongying Hualian Petro | China national standards | MT | 809.2 | USD | 20260105 |
| Dongying Hualian Petro | China national standards | MT | 809.2 | USD | 20260105 |
| Shandong Haike Chem | China national standards | MT | 815.89 | USD | 20260105 |
| Zibo Xintai Chem | China national standards | MT | 877.12 | USD | 20251211 |
| Dongying Hualian Petro | China national standards | MT | 854.91 | USD | 20251211 |