The registration address of shenzhen yushu technology ltd. Is located at unit 1 of the hong kong neighbourhood of hong kong hong kong road, fukuda district, shenzhen city, and is the shenzhen city market supervision authority, with legal representatives and general operations including the following: measurement instrument instruments, electronic metaware, development and sale of light diodes; lease and upkeep of metering instruments; domestic trade; operation of import and export operations; design and services of integrated circuit chips; engineering management services; professional design services; engineering technical services (except for planning and management, surveying, design, supervision); 5g communications technology services; professional repair of communications exchange equipment; sale of communications equipment; satellite communications services; maintenance of electronic, mechanical equipment (without special equipment); network technical services; information system integration services; information system operation maintenance services; data processing and storage support services; services (without labour dispatch); safety technology protection systems design and construction services; specialized repair of communications equipment; specialized repair of radar, radio navigation equipment; building cleaning services; office services; conference and exhibition services; and sales of building and decoration materials. (in addition to the projects subject to legal authorization, the activities are carried out on an autonomous basis by virtue of a licence), and the licensed activities are: human resources services (excluding vocational intermediation, labour dispatch services). (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)