Manufacturing of hardware products; manufacturing of mechanical and electrical equipment; wholesale of hardware products; research and development of hardware products; retail of hardware products; sales of metal materials; sales of household appliances; sales of daily necessities; sales of office equipment; manufacturing of household products; sales of household products; furniture installation and maintenance services; furniture manufacturing; furniture sales; sales of building materials; kitchenware, sanitary ware, and daily sundries Wholesale; sales of daily wood products; sales of plastic products; sales of rubber products; retail of auto parts and accessories; retail of motorcycles and spare parts; technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; industrial design services; information consulting services (excluding licensing information consulting services); artificial intelligence industry application system integration services.