| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 527.75 | USD | 20250923 |
| Shandong Yihe Chem | China national standards | MT | 534.78 | USD | 20250923 |
| CNPC | China national standards | MT | 634.7 | USD | 20250923 |
| BASF YPC | China national standards | MT | 626.26 | USD | 20250923 |
| Beijing Yanshan Petro | China national standards | MT | 633.29 | USD | 20250923 |
| Shandong Langchem | China national standards | MT | 506.64 | USD | 20250923 |
| Shandong Qiangsen Chem | China national standards | MT | 506.64 | USD | 20250923 |
| Nanjing Runsheng Petro | China national standards | MT | 633.29 | USD | 20250923 |
| Nanjing Runsheng Petro | China national standards | MT | 633.29 | USD | 20250923 |
| BASF YPC | China national standards | MT | 633.29 | USD | 20250923 |