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 below 1. 4); basic software services, application software services (without medical software); project management of construction works; rental of engineering and engineering equipment; maintenance of general equipment, electronics, computers, sales of refrigeration, communications equipment, electronics, electronics, cultural supplies, five-based devices, five- (the subjects of the market may, in accordance with the law, freely choose to operate projects and carry out their activities; the design of works and projects subject to legal approval shall carry out their activities on the basis of the approved content, with the approval of the relevant sector; they shall not engage in activities in which the state and municipal industrial policies prohibit and restrict the operation of such projects