The registration address of beijing dhuwig electric equipment co. Ltd. Is located in room 101, no. 3 (cluster registration) north west street, huairou district, beijing. The registration authority is the market supervision authority of huairou district, beijing, represented by a legal person, liu yu, and operates on general items: sale of mechanical and electrical equipment; installation services for general mechanical equipment; repair of general-purpose equipment; sale of refrigeration and air-conditioning equipment; sale of pumps and vacuum equipment; sale of wind machines, wind fans; sale of special engines for power-plugged hybrid power; sale of electronic products; sale of electronic components and electrical components; retail distribution of hardware instruments; sale of communications equipment; sale of intelligent transmission and control equipment; retailing of car spare parts; sale of chemical products (other than licensed chemical products); import and export of technology; and import and export of goods. (except for projects subject to legal authorization, operating independently of the law by means of a business licence) (no activity shall be carried out in which the state and municipal industrial policy prohibits and restricts the operation of such projects