| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 1041.42 | USD | 20250925 |
| Shandong Laya Chem | China national standards | MT | 971.05 | USD | 20250925 |
| Kunlun Daqing Petro | China national standards | MT | 1196.22 | USD | 20250925 |
| Beijing Yanshan Petro | China national standards | MT | 1217.33 | USD | 20250925 |
| Shandong Hongyang Chem | China national standards | MT | 1189.19 | USD | 20250925 |
| Shandong Hongyang Chem | China national standards | MT | 1189.19 | USD | 20250925 |
| CNPC | China national standards | MT | 1210.3 | USD | 20250925 |
| Sinopec | China national standards | MT | 1210.3 | USD | 20250925 |
| Shandong Zhiheng | China national standards | MT | 1168.08 | USD | 20250925 |
| Changzhou Juyun Mat | China national standards | MT | 1336.95 | USD | 20250925 |