No. Hua Hui gas station (Qinling Road) oil is not impossible. Hua Hui gas station oil has high octane number, good antiknock performance, can adapt to high compression ratio and is not easy to knock. Hua Hui gas station belongs to Zhengzhou Hua Hui Petrochemical Co., Ltd., which is a private enterprise. Its business scope includes retail ethanol gasoline and diesel oil.