| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Runsheng Petro | China national standards | MT | 732.32 | USD | 20251013 |
| Nanjing Runsheng Petro | China national standards | MT | 732.32 | USD | 20251013 |
| Shandong Jinwen Chem | China national standards | MT | 788.65 | USD | 20251013 |
| Shandong Langchem | China national standards | MT | 852.03 | USD | 20251013 |
| Shandong Langchem | China national standards | MT | 866.11 | USD | 20251013 |
| Shandong Zhiheng | China national standards | MT | 704.16 | USD | 20251013 |
| Shandong Yeyang Chem | China national standards | MT | 774.57 | USD | 20251013 |
| Shandong Yeyang Chem | China national standards | MT | 788.65 | USD | 20251013 |
| Shandong Yeyang Chem | China national standards | MT | 760.49 | USD | 20251013 |
| Shandong Hongyang Chem | China national standards | MT | 704.16 | USD | 20251013 |