| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 1054.76 | USD | 20250922 |
| Shandong Junfeng | China national standards | MT | 914.13 | USD | 20250922 |
| Beijing Yanshan Petro | China national standards | MT | 1167.27 | USD | 20250922 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1153.21 | USD | 20250922 |
| Beijing Yanshan Petro | China national standards | MT | 1111.02 | USD | 20250922 |
| Shandong Zhiheng | China national standards | MT | 1111.02 | USD | 20250922 |
| Jinan Jinrihe Chem | China national standards | MT | 998.2 | USD | 20250921 |
| Jinan Xingdate Bio | China national standards | MT | 984.14 | USD | 20250921 |
| Shandong Xingpeng Chem | China national standards | MT | 998.2 | USD | 20250921 |
| Jinan Xinbo Chem | China national standards | MT | 1124.73 | USD | 20250920 |