| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | China national standards | MT | 917.35 | USD | 20251110 |
| Qingdao Shengze Chem | China national standards | MT | 889.13 | USD | 20251110 |
| Beijing Yanshan Petro | China national standards | MT | 987.92 | USD | 20251110 |
| Lihuayi Weiyuan Chem | China national standards | MT | 945.58 | USD | 20251110 |
| Shandong Xingpeng Chem | China national standards | MT | 903.24 | USD | 20251110 |
| JS Xiaomi Chem | China national standards | MT | 884.89 | USD | 20251110 |
| Qingdao Shengze Chem | China national standards | MT | 889.13 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 1114.94 | USD | 20251110 |
| Lihuayi Weiyuan Chem | China national standards | MT | 889.13 | USD | 20251110 |
| Jinan Angxin Chem | China national standards | MT | 917.35 | USD | 20251110 |