| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jiaxing Chem | China national standards | MT | 1154.0 | USD | 20250923 |
| Beijing Yanshan Petro | China national standards | MT | 928.83 | USD | 20250923 |
| Shandong Hanyue Chem | China national standards | MT | 999.2 | USD | 20250923 |
| Shandong Langchem | China national standards | MT | 1329.92 | USD | 20250923 |
| Shandong Langchem | China national standards | MT | 1294.74 | USD | 20250923 |
| Shandong Xima | China national standards | MT | 971.05 | USD | 20250923 |
| Shandong Qiangsen Chem | China national standards | MT | 1041.42 | USD | 20250923 |
| Nanjing Runsheng Petro | China national standards | MT | 985.12 | USD | 20250923 |
| CNPC | China national standards | MT | 1210.3 | USD | 20250923 |
| Shandong Hongyang Chem | China national standards | MT | 1189.19 | USD | 20250923 |