Technology development, technology transfer, technical consulting, and technical services of automobiles, motorcycles and parts, testing equipment, network and information security software development, and information system integration services; hosting exhibitions and display activities; selling communication equipment; car rental (excluding passenger cars with more than nine seats); solar cells and related products (raw materials , components, accessories) research and development, technical consulting, technical services; leasing office space; labor subcontracting; import and export of goods, import and export agency, technology import and export; manufacturing information security equipment; inspection and testing services; Internet information services; Internet cultural management; wholesale of publications; retail of publications; second type value-added telecommunications business.