| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 943.02 | USD | 20251012 |
| Lihuayi Weiyuan Chem | China national standards | MT | 943.02 | USD | 20251012 |
| Qingdao Shengze Chem | China national standards | MT | 943.02 | USD | 20251012 |
| Beijing Yanshan Petro | China national standards | MT | 943.02 | USD | 20251012 |
| Lihuayi Weiyuan Chem | China national standards | MT | 943.02 | USD | 20251012 |
| Beijing Yanshan Petro | China national standards | MT | 1013.4 | USD | 20251012 |
| Shandong Jinshenrun Chem | China national standards | MT | 1013.4 | USD | 20251012 |
| Shandong Jinshenrun Chem | China national standards | MT | 1013.4 | USD | 20251012 |
| Lihuayi Weiyuan Chem | China national standards | MT | 933.88 | USD | 20251012 |
| Shandong Xingpeng Chem | China national standards | MT | 957.1 | USD | 20251012 |