1920-1990 Stage: With the development of the internal combustion engine technology and the improvement of Texas oil closed three electric car carport, electric car in 1920 after gradually lost its edge. Car market gradually to replace the internal combustion engine driving a motor vehicle. Only in a few cities retain very little and very limited tram and trolley car battery (with lead acid batteries, used in golf courses, forklifts and other fields). Development of electric vehicles since half a century of stagnation. With billowing oil resources to the market closed three electric vehicles, it is almost forget there exists electric vehicles. Relative to the use of the electric car technology: electric drive, battery materials, battery pack, battery management, and so can not be developed or applied. Electric car models feature selection 1. Standard: This electric vehicle motor power is generally 150W, style is characterized by simplicity fully enclosed three-wheeled electric car price, continue the mileage at 40 ~ 50km, easy to operate, affordable price In about 2000 ~ 2600 yuan, more suitable for long distance commuting, work, life has a certain flexibility in the use of the user. 2. Multi-functional: These electric vehicles are generally increased shock fork, saddle shock absorbers, headlight, horn, etc., based on the standard model, which is characterized by more functional, more comfortable ride full time closed three electric car pictures, more convenient to use at night. The price is generally around 2500 to 3000 yuan. 3. Luxury: These electric vehicles are characterized by a relatively new style of luxury, more feature-full, usually an additional instrument panel on the handlebars to display speed, distance, voltage, power, and some also equipped with turn signals, language tips, mirrors, toolbox, safety nets. The price is usually around 3000 to 3400 yuan. Fully enclosed three-wheeled electric car prices _ White Dragon Machinery (certified) _ enclosed three-wheeled electric car provided by the White Dragon Machinery Co., Ltd. Shandong. 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.