Shenzhen city's registration address is 1513z7, on the 15th floor of the tianan street neighbourhood of shenzhen city, on the 15th floor of the tarrandun city building in shenzhen city. The registration authority is the fukuda supervisory authority of shenzhen city's market supervisory authority, which is represented by legal persons and includes the sale of optical and electronic devices; technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion; development of technology for networking; sale of semiconductor lighting; retail distribution of electronic appliances; sale of electronic products; sale of lighting equipment; sale of machinery equipment; sale of office equipment; supply chain management services; domestic trade agents; and trade brokers. (in addition to projects subject to legal authorization, activities are carried out independently of the law; the manufacture of optical and electronic devices; the manufacture of lighting devices; the manufacture of light communications equipment; the sale of optical communications equipment; the manufacture of semiconductor lighting devices; the manufacture of electrical and electronic devices; the manufacture of electronic (gas) physics equipment and other electronic equipment; the manufacture of electronic specialized equipment; the manufacture of electronic specialized materials; the production of chemical products (other than licensed chemical products); the sale of chemical products (other than licensed chemical products); the manufacture of instrument meters; the sale of instrument instruments; the repair of instrument meters; the development of new materials technology; and the extension of new materials technology services. • import and export of goods (in addition to legally approved projects, operating autonomously under a 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)