Intelligent control system integration; Sales of smart home consumer equipment; AI hardware sales; Computer system services; Information technology consulting services; Sales of household appliances; AI application software development; Technical service, technical development, technical consultation, technical exchange, technology transfer and technology promotion; Information system integration services; Software development; Internet of Things technical services; Sales of electronic products; Wholesale of computer software and hardware and auxiliary equipment; Retail of computer software and hardware and auxiliary equipment; Sales of security equipment; R&D of mechanical equipment; Sales of mechanical equipment; Research and development of Internet of Things technology; Network technical services; Import and export of goods; Technology import and export; Sales of chemical products (excluding licensed chemical products); Sales of outdoor products; Sales of intelligent on-board equipment; Sales of daily wood products; Sales of mother and baby supplies