The registration address of shenzhen shenzhen science and technology ltd. Is located at 611 at the kim hongfung business building in shenzhen city, new angung street, shenzhen city, 71th district of shenzhen city. The registration authority is the shenzhen city market supervision authority, whose representatives are paid for their work. The business activities include: software design, development, marketing, technical advice and maintenance; business marketing advice, planning, training and extension; design, production, agency, domestic advertising; business management consultancy; educational information advice; computer information system integration, network engineering, communications system development and integration; operation of e-commerce (involving pre-licensed administrative authorization, after obtaining pre-licension administrative authorization); sale of communications equipment, network equipment, electronic products; domestic trade, import and export of goods and technology; sale of type i medical equipment; health advisory services (without diagnostic services); technical services, technical advice, technology exchange, technology transfer, technology promotion; distribution of labour products; distribution of equipment; sale of sanitary and one-time medical supplies; and sale of personal hygiene goods (in addition to a legal licence, autonomous business activity). Category ii medical equipment sale; category iii medical equipment operation; medical equipment internet information service; wholesale distribution of medicines; marketing of health food. (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)