In shenzhen city, the registered address of shenzhen house d of plant no. 8 of the yuhuihang industrial district, which is located on the street of the long wave in shenzhen city and is located in honghua district, shenzhen city, is located on the 1st floor. The registration authority is the longhua supervisory authority of the shenzhen market supervision authority, with legal representatives representing liu hong kong, and its operations include general operating projects: manufacture of specialized equipment (other than licensed professional equipment); manufacture of electronic equipment; manufacture of intelligent household consumption equipment; sale of intelligent household consumption equipment; sale of electronic specialized equipment; sale of medical devices in category i; sale of type ii medical equipment; health counselling services (other than diagnostic and therapeutic services); sale of electronic products; software development; sale of smart instrument instruments; manufacture of smart instrument instruments; sale of instrument instruments; sale of instrumentation; repair of specialized equipment; repair of general equipment; technical services, technological development, technical advice, exchange, technology transfer, technology promotion; domestic trade agency; instrumentation; lease of non-resident real estate. (except for projects subject to legal authorization, operating on an autonomous basis with a business licence)。