Entertainment supplies and indoor entertainment equipment manufacturing; Sales of daily necessities; Wholesale of computer software and hardware and auxiliary equipment; Sales of communication equipment; Domestic trade agent; Trade broker; Sales of audio equipment; Sales of amusement equipment in ordinary open-air amusement places; Import and export of goods; Retail of computer software and hardware and auxiliary equipment; Entertainment and entertainment supplies sales; Daily necessities sales; Sales of toys, animation and entertainment products; Sales of household audio-visual equipment; Internet sales (except the sale of goods that need permission); Toy sales; Network technical services; Software development; Information system integration service; Information technology consulting services; Computer system services; 5G communication technology services; Computer and communication equipment leasing; Leisure and entertainment equipment rental; Leasing services (excluding licensed leasing services); Information consulting services (excluding licensed information consulting services); Marketing planning; Corporate image planning; Engage in investment activities with its own funds; Enterprise management consulting; Engineering and technical research and experimental development; Medical research and experimental development; Professional design services; Technical service, technical development, technical consultation, technical exchange, technology transfer and technology popularization; New material technology promotion service; Consulting and planning services; Communication equipment repair