| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 1227.51 | USD | 20251121 |
| Shandong Qiangsen Chem | China national standards | MT | 1044.09 | USD | 20251121 |
| Xiamen Yudeshun Chem | China national standards | MT | 1340.39 | USD | 20251121 |
| Shandong Jinwen Chem | China national standards | MT | 1199.29 | USD | 20251121 |
| Shandong Yuhuang Chem | China national standards | MT | 1368.61 | USD | 20251121 |
| Lihuayi Shandong | China national standards | MT | 898.77 | USD | 20251121 |
| Lihuayi Shandong | China national standards | MT | 895.94 | USD | 20251121 |
| Sinopec | China national standards | MT | 898.77 | USD | 20251121 |
| Beijing Yanshan Petro | China national standards | MT | 1220.46 | USD | 20251121 |
| Lihuayi Shandong | China national standards | MT | 895.94 | USD | 20251121 |