In shenzhen city, the registration address of wah keung-wei power supply technology ltd. Is located in shenzhen city, district 7 of yudong street park, the xinjiang community, xinjiang community, c. 322. The registration authority is the shenzhen city market supervision authority, represented by a legal person, chen weichun. The activities include the following: the development and sale of electricity supply products, power supply components; domestic trade; and the import and export of goods and technology. Manufacture of transformers, conservators and sensors; manufacture of transmission and distribution and control equipment; manufacture of photovoltaic equipment and meta-ware; repair of electrical equipment; sale of charge stakes; sale of electrical and electronic devices; sale of electronic products; sale of mechanical and electrical equipment; sale of new energy prototype equipment; sale of batteries; information systems integration services; technology networking services; technical services, technology development, technical advice, technology exchange, technology transfer, technology diffusion. (in addition to legally approved projects, operating on an autonomous basis under an operating licence), licensed projects are: online data processing and transaction processing (business type e-commerce). (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)