The motor vehicle is an important vehicle for modern travel, almost every household has its presence, and it plays a significant role in daily life and is of great help in the development of short and medium distances. Many people are very interested in this light and simple mode of driving, and its use is very extensive, with students and older persons of a certain age being able to operate simply, and it is gradually becoming an essential vehicle in people's daily lives. There are numerous brands of electric cars in the country, many well-known electric cars have high standards in product production and brand promotion, many of them have good market sales, many of them with star representation, the brand of mini-maps has been established in 2001 and has been developed for many years, there are now numerous under-line shops in the country, the mini-maps are of high quality in the production of electric cars and services, there are now advanced electric motors at headquarters and control and research bases, with a headquarters of 3. 6 square metres, with production stations now standing at 3. 5 million per year. At present, mini-maps have become a relatively well-developed brand of electric vehicles in the country, their products are sold in large provinces and many abroad. In recent years, environmental conservation has been the subject of social and advocacy campaigns. In response to the call for keeping pace with the mainstream of society, and for bringing high-tech products from the more energy-efficient economy into society, everyone has been able to participate in environmental protection activities. Several safety quality standards have been introduced at the headquarters and internationally certified, well-established regulatory systems and well-established production techniques and advanced testing standards have resulted in a good reputation for the motor vehicle, both in the industry and in the market. The headquarters is well developed and equipped for scientific research。