Chang ‘an Automobile Group is one of the four major automobile groups in China. It belongs to China Weapon Equipment Group Co., Ltd. and has accumulated 40 years of vehicle manufacturing. Chang’ an Automobile has more than 18,000 technical R & D personnel from 31 countries and regions in the world. It has established a global collaborative R & D pattern of “six countries and ten places” with emphasis in Chongqing, Beijing, Shanghai, Dingzhou of Hebei Province, Hefei of Anhui Province, Turin of Italy, Yokohama of Japan, Birmingham of England, Detroit of the United States and Munich of Germany respectively. Have a professional automotive R & D process system and test verification system to ensure that each product meets the needs of users.