Liu fayuan. According to official website's inquiry of Dayi Long March Driving School, Dayi Long March Driving School is located in Dayi County, Chengdu, Sichuan Province, and its principal is Liu Fayuan. Dayi Long March Motor Vehicle Driver Training School Co., Ltd. (referred to as "Dayi Long March Driving School" for short) is a local driving school in Dayi County, with more than 30 mu of small car training ground and 0/00 mu of large car training ground, all of which are built according to national standards.