Technology development, technology promotion, technology transfer, technical consultation, technical service; Sales of self-developed products, electronic products, computer software and auxiliary equipment, mechanical equipment, communication equipment, metal materials; Import and export of goods; Agent import and export; Technology import and export; Computer system services; Basic software services; Application software services; Software development; Software consulting; Product design; Packaging design; Education consulting (except intermediary services); Economic and trade consulting; Cultural consulting; Sports consulting; Public relations services; Conference services (excluding accommodation); Arts and crafts design; Computer animation design; Enterprise planning; Design, production, agency, advertising; Market Research; Business management consulting; Organizing cultural and artistic exchange activities( Excluding commercial performances); Literary and artistic creation; Exhibition and exhibition activities; Film and Television planning; Translation services; Natural science research and experimental development; Engineering and technical research and experimental development; Medical research and experimental development; Health management and health consultation (except for diagnosis and treatment activities subject to approval). (enterprises shall independently select business projects and carry out business activities in accordance with the law; For projects subject to approval according to law, they shall carry out business activities in accordance with the approved contents after being approved by relevant departments; They shall not engage in business activities of projects prohibited or restricted by industrial policies of the city. ).