Including: Manufacturing of ovens, furnaces, and electric furnaces; Manufacturing of smart home consumer devices; Manufacturing of specialized equipment for food, alcohol, beverage, and tea production; Washing machinery manufacturing; Manufacturing of electronic components and electromechanical component equipment; Manufacturing of sanitary ware; Household appliance manufacturing; Manufacturing of electrical accessories; Manufacturing of hardware products; Sales of household appliances; Sales of household appliance spare parts; Wholesale of hardware products; Sales of electronic products; Sales of smart home consumer devices; Sales of power electronic components; Sales of ovens, furnaces, and electric furnaces; Sales of coal-fired flue gas desulfurization and denitrification equipment; Sales of electrical equipment; Sales of sanitary ware; Research and development of kitchenware, sanitary ware, and daily necessities; Wholesale of kitchenware, sanitary ware, and daily necessities; Internet sales (except for the sale of goods that need to be licensed); Pressure cooker production; Production of electric heating food processing equipment; Import and export of goods.