| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Sinopec | China national standards | MT | 1003.49 | USD | 20251210 |
| Shandong Jinwen Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Sinopec | China national standards | MT | 1095.36 | USD | 20251210 |
| Shandong Jinwen Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Huizhou Jincheng Petro | China national standards | MT | 1102.43 | USD | 20251210 |
| Sinopec | China national standards | MT | 1074.16 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Chambroad | China national standards | MT | 734.95 | USD | 20251210 |
| Shandong Changyi Petro | China national standards | MT | 749.08 | USD | 20251210 |