| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 876.54 | USD | 20251204 |
| Beijing Yanshan Petro | China national standards | MT | 1060.33 | USD | 20251204 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1159.29 | USD | 20251204 |
| Nantong Zhonghe Chem | China national standards | MT | 876.54 | USD | 20251204 |
| Lihuayi Weiyuan Chem | China national standards | MT | 848.26 | USD | 20251204 |
| Shandong Qiangsen Chem | China national standards | MT | 933.09 | USD | 20251204 |
| Shandong Mingyu | China national standards | MT | 1053.26 | USD | 20251204 |
| Jinan Angxin Chem | China national standards | MT | 918.95 | USD | 20251204 |
| Beijing Yanshan Petro | China national standards | MT | 1201.7 | USD | 20251204 |
| Beijing Yanshan Petro | China national standards | MT | 918.68 | USD | 20251203 |