| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 1172.42 | USD | 20251202 |
| Shandong Qiangsen Chem | China national standards | MT | 932.28 | USD | 20251202 |
| Shandong Junfeng | China national standards | MT | 988.78 | USD | 20251202 |
| Jinan Jinhao Chem | China national standards | MT | 1243.04 | USD | 20251202 |
| Qingdao Shengze Chem | China national standards | MT | 875.78 | USD | 20251202 |
| Lihuayi Weiyuan Chem | China national standards | MT | 865.89 | USD | 20251202 |
| Shandong Mingyu | China national standards | MT | 1052.35 | USD | 20251202 |
| Sinopec | China national standards | MT | 875.78 | USD | 20251202 |
| Beijing Yanshan Petro | China national standards | MT | 908.27 | USD | 20251202 |
| Shanghai Wanzhong | China national standards | MT | 847.53 | USD | 20251202 |