In shenzhen city, the registration address of hing ying jie electronics technology ltd. Is located on the 2nd floor of the 1st floor of the yangtze neighbourhood of the yongkang district of shenzhen city, located in the first plateau of the yangteau district of shenzhen city. The legal person is represented by the shenzhen market supervision authority, wu zhiyong, which operates on a general basis: technical services, technical development, technical advice, technology exchange, technology transfer, technology promotion; the manufacture of sound equipment; the sale of audio equipment; the sale of audio equipment; the wearing of smart equipment; the wearing of smart equipment for sale; the manufacture of smart household consumption equipment; the sale of digital video surveillance systems; the manufacture of digital video surveillance systems; the wholesale distribution of computer hardware and auxiliary equipment; the manufacture of computer hardware and peripheral equipment; the sa...