| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 1040.38 | USD | 20250920 |
| Lihuayi Shandong | China national standards | MT | 984.14 | USD | 20250920 |
| Beijing Yanshan Petro | China national standards | MT | 1152.85 | USD | 20250920 |
| Sinopec | China national standards | MT | 984.14 | USD | 20250920 |
| Sinopec | China national standards | MT | 1124.73 | USD | 20250920 |
| Kunlun Daqing Petro | China national standards | MT | 1195.03 | USD | 20250920 |
| Beijing Yanshan Petro | China national standards | MT | 1216.12 | USD | 20250920 |
| Shandong Yuhuang Chem | China national standards | MT | 988.36 | USD | 20250919 |
| Lihuayi Shandong | China national standards | MT | 1241.42 | USD | 20250919 |
| Sinopec | China national standards | MT | 1244.24 | USD | 20250919 |