| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 932.35 | USD | 20251129 |
| Qilu Petrochem | China national standards | MT | 727.51 | USD | 20251129 |
| Shandong Jinwen Chem | China national standards | MT | 932.35 | USD | 20251129 |
| Shandong Dongming Petro | China national standards | MT | 932.35 | USD | 20251129 |
| Shandong Yaoming Chem | China national standards | MT | 741.64 | USD | 20251129 |
| Shandong Jinwen Chem | China national standards | MT | 932.35 | USD | 20251129 |
| Shandong Jinwen Chem | China national standards | MT | 932.35 | USD | 20251129 |
| Sinopec | China national standards | MT | 727.51 | USD | 20251129 |
| Shandong Yeyang Chem | China national standards | MT | 1101.87 | USD | 20251129 |
| Shandong Jinwen Chem | China national standards | MT | 932.35 | USD | 20251129 |