| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 917.04 | USD | 20251031 |
| Lihuayi Weiyuan Chem | China national standards | MT | 917.04 | USD | 20251031 |
| Qingdao Shengze Chem | China national standards | MT | 917.04 | USD | 20251031 |
| Qingdao Shengze Chem | China national standards | MT | 905.76 | USD | 20251031 |
| Beijing Yanshan Petro | China national standards | MT | 1199.21 | USD | 20251031 |
| Shandong Xingpeng Chem | China national standards | MT | 917.04 | USD | 20251031 |
| Shandong Shuojia Chem | China national standards | MT | 945.26 | USD | 20251031 |
| Beijing Yanshan Petro | China national standards | MT | 945.26 | USD | 20251031 |
| Lihuayi Weiyuan Chem | China national standards | MT | 945.26 | USD | 20251031 |
| Jinan Jinrihe Chem | China national standards | MT | 1001.69 | USD | 20251031 |