Beijing xuanchang technology ltd., with its registered address in beijing, is located at no. 37 of the 6x1001-1001 super-purpose science and technology park in changping district, and is represented by zhou zhou zhou, with the registration authority being the market supervisory authority of changping district, beijing city, and is operating in the areas of bicycle charging stakes, electric car charging stakes, shore stakes, battery chargers, battery chargers, battery chargers, battery chargers, battery detection equipment, large power switches, direct current converters, reversers, battery management systems, technology development, technical services, technology promotion, technical advice, technology transfer in the field of mineral welders and goods networking; motor vehicle charging sales; product design; manufacture of transmission and control equipment; security system monitoring services; software development; computer systems services; cloud computing centres (pu values belo...