The registered address of shenzhen science and technology (shenzhen) ltd. Is located in shenzhen city, fukuda street, fukuda street, 3069-year-old assemblage a-2313k5, registered with the shenzhen city market supervision authority and with legal representation, and covers the development and sale of electronic software and hardware products, electronics equipment; information technology development, technical advice and transfer of technology; technical development, technical advice, sale of automobile electronics and accessories; installation and maintenance of upper doors of computer hardware and hardware and communications network engineering equipment; security engineering and construction, domestic trade, goods and technology import and export. Electrical switch control equipment development; electrical switch control equipment manufacturing; electrical switch control equipment sales; electrical facility equipment manufacturing; electrical auxiliary equipment manufacturing; electrical auxiliary sales sales; photovoltaic equipment and metaware manufacturing; photovoltaic equipment and metaware sales; electronic metaware manufacturing; electronic device wholesale distribution; electrical electromechanical device sales; instrumentation sales; instrumentation instrument manufacturing; instrumentation instrument manufacturing; security equipment manufacture; security equipment sales; fire protection equipment sales; household appliances spare parts sales; household appliances manufacturing; household appliances research and development; electrical equipment sales; lighting equipment manufacturing; hardware product manufacturing; wholesale distribution of hardware products; retailing of hardware products; industrial automated control system devices manufacturing; industrial automatic control system devices manufacturing; new energy raw power equipment manufacturing; new energy engine equipment sales; software development; information systems integration services; safety technology protection system construction services; domestic trade agency; communications equipment manufacturing; communications equipment marketing; material networking equipment manufacturing; distribution of hardware and equipment for the sale of electronics; equipment for the sale of electrical and electronics; equipment for the sale of electronics and metallurgical devices; and equipment for the sale of electrical and metallite devices; and equipment for the production of electrical equipment (in addition to projects subject to legal authorization, operations are carried out on an autonomous basis under an operating licence) (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)