Electronic, communication and automatic control technology research and development; Energy technology research and technology development services; Software development; Information technology consulting services; Research and development of network technology; Computer technology development, technical services; Photography service; Photo printing and processing services; Cleaning supplies wholesale; Household electrical appliances wholesale; Battery sales; Box, bag wholesale; Entertainment and entertainment wholesale; Photographic equipment wholesale; Computer wholesale; Computer parts wholesale; Software wholesale; Office equipment supplies wholesale; Film equipment and accessories wholesale; Electronic products wholesale; Glasses wholesale; Trade agency; Photographic equipment retail; Home audio-visual equipment retail; Office equipment consumables retail; Import and export of goods (except for specialized controlled goods); Technology import and export;