| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 633.04 | USD | 20250918 |
| Sinopec | China national standards | MT | 633.04 | USD | 20250918 |
| BASF YPC | China national standards | MT | 626.01 | USD | 20250918 |
| Beijing Yanshan Petro | China national standards | MT | 633.04 | USD | 20250918 |
| Sinopec | China national standards | MT | 633.04 | USD | 20250918 |
| Sinopec | China national standards | MT | 611.94 | USD | 20250918 |
| Shandong Langchem | China national standards | MT | 506.44 | USD | 20250918 |
| Shandong Jinwen Chem | China national standards | MT | 506.44 | USD | 20250918 |
| Nanjing Baitu Chem | China national standards | MT | 618.98 | USD | 20250918 |
| Nanjing Baitu Chem | China national standards | MT | 618.98 | USD | 20250918 |