R & D, production, processing and sales: Communication transmission equipment, mobile communication and terminal equipment, other communication equipment, communication terminal equipment (excluding satellite ground reception facilities), electronic computer complete machine, computer network equipment, home film and television equipment, industrial automatic control system equipment, electronic products; Application software services; Computer information network technology development and technical services; Electronic equipment design and installation; Development, integration and technical services of computer information system and intelligent building system; Mobile phones, mobile phone accessories and peripheral products; Smart watches for kids; Robots; Toys; Lighting fixtures; Daily necessities; Air purifier; Household appliances; Hardware products; Import and export of goods and technology; Sales: Anti-theft alarm control equipment, video surveillance equipment. (For projects subject to approval according to law, business activities can only be carried out after approval by relevant departments)