By 2020, the industrialization of new energy vehicles to achieve three electric car prices, energy conservation and new energy vehicles and key parts technology has reached the international advanced level three electric vehicles rankings, pure electric vehicles and plug-in hybrid vehicle market population reached 5 million. Analysis and forecasting, from 2012 to 2015, China's average annual growth rate of the market electric car sales will reach about 40%, most of which comes from a pure electric car sales by 2015, three-wheeled electric vehicles, China will become Asia's largest electric car market. Failure to use electric vehicles electric cars fault is mainly divided into three types: 1, the whole car is dead - the main fault is that the battery open welding, insurance burn, power cord and battery socket is off, bad, converter damage. no major problems. 2, there is electricity does not go - Under normal circumstances, if you look at the return of the brake, brake put off if you put the hand brake can withstand a three-wheeled electric car with manufacturers, in addition to the above circumstances , turn right. The controller is damaged. motor damage. Hall there will be little damage to the phenomenon does not go .. Like this place has a bad power supply among other possibilities too, must find a professional to give you inspection. 3, is that some special situations: car boring, sometimes walking and sometimes do not go, the power consumption increases, the car ran a short distance may have damaged two batteries insufficient tire pressure three wheeled electric car brakes too tight....... Manufacturer _ White Dragon Machinery (certified) _ wheeled electric car provided by the White Dragon Shandong Machinery Co. White Dragon Shandong Machinery Co., Ltd. (www.bailonggrp.com) Shandong Linyi, bicycles, tricycles and accessories leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In the White Dragon machinery leadership with the staff warmly welcome all inquiries negotiations to create a better future for White Dragon machinery.