| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 506.13 | USD | 20250919 |
| Shandong Langchem | China national standards | MT | 506.13 | USD | 20250919 |
| Sinopec | China national standards | MT | 611.57 | USD | 20250919 |
| Sinopec | China national standards | MT | 632.66 | USD | 20250919 |
| Beijing Yanshan Petro | China national standards | MT | 632.66 | USD | 20250919 |
| BASF YPC | China national standards | MT | 625.63 | USD | 20250919 |
| CNPC | China national standards | MT | 634.07 | USD | 20250919 |
| Shandong Fusheng | China national standards | MT | 702.96 | USD | 20250919 |
| Shandong Fusheng | China national standards | MT | 702.96 | USD | 20250919 |
| Shandong Hongyang Chem | China national standards | MT | 667.81 | USD | 20250919 |