| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 1003.49 | USD | 20251210 |
| Beijing Yanshan Petro | China national standards | MT | 1201.36 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 805.62 | USD | 20251210 |
| Beijing Yanshan Petro | China national standards | MT | 1060.03 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 805.62 | USD | 20251210 |
| Shandong Xingpeng Chem | China national standards | MT | 862.15 | USD | 20251210 |
| Lihuayi Weiyuan Chem | China national standards | MT | 876.29 | USD | 20251210 |
| Jinan Angxin Chem | China national standards | MT | 848.02 | USD | 20251210 |
| Lihuayi Weiyuan Chem | China national standards | MT | 946.96 | USD | 20251210 |
| Shandong Xingpeng Chem | China national standards | MT | 819.75 | USD | 20251210 |