Technology development, technical service, technical consultation and technology transfer in the field of network technology and information technology; Short-term adult continuing education without academic qualifications (excluding license issuing, education and vocational certificate training approved by the state); Cultural and art exchange planning; Conference and exhibition services; Domestic advertising business; Domestic trade agency; Performance brokerage agency service Business; Photography services; Market Research; Marketing planning; E-commerce technology consulting; Film and television equipment, electronic products, non dedicated communication equipment, office supplies, sports equipment, clothing, shoes and hats, sanitary products, daily killing products, medical equipment, labor protection products, environmental protection equipment, daily necessities, handicrafts, jewelry, food, cosmetics, washing supplies, kitchen Wholesale, retail and online sales of commodities, auto supplies and primary agricultural products; Import and export of goods and technologies (except for commodities and technologies restricted or prohibited by the state)