Manufacturing of maternal and infant products; manufacturing of household products; manufacturing of daily groceries; hardware product manufacturing; washing machinery manufacturing; plastic products manufacturing; manufacturing of special equipment for environmental protection; manufacturing of mechanical and electrical equipment; manufacturing of general equipment (excluding manufacturing of special equipment); manufacturing of daily chemical products; manufacturing of sanitary ware; manufacturing of electronic components; and electrical accessories Manufacturing of parts; manufacturing of blowers and fans; manufacturing of consumer service robots; manufacturing of household appliances; manufacturing of metal signs for transportation and public administration; production of chemical products (excluding licensed chemical products); production of labor protection products; manufacturing of paper products; manufacturing of general parts and components; manufacturing of rubber products; manufacturing of electric motors; Manufacturing of construction equipment; manufacturing of basic chemical raw materials (excluding the manufacturing of hazardous chemicals and other licensed chemicals); manufacturing of home textile products; manufacturing of metal packaging containers and materials; manufacturing of metal tools; manufacturing of metal daily necessities; manufacturing of distribution switch control equipment; manufacturing of plastic packaging boxes and containers; manufacturing of special chemical products (excluding hazardous chemicals) Hazardous chemicals); manufacturing of knitted or crocheted fabrics and their products; research and development of kitchenware, sanitary ware and daily sundries; research and development of motors and their control systems; research and development of distribution switch control equipment; research and development of sanitary ware; wholesale of hardware products; research and development of household appliances; processing of mechanical parts and parts; repair of daily products; repair of daily appliances; sales of daily sundries sales; sales of plastic products; sales of special equipment for environmental protection; sales of paper products; sales of washing machinery; sales of daily chemical products; sales of sanitary ware; sales of power electronic components; sales of electrical accessories; sales of blowers and fans; sales of consumer service robots; sales of mechanical and electrical equipment; retail of hardware products; sales of household items Sales of household appliances; sales of signs for transportation and public administration; sales of maternal and infant products; sales of chemical products (excluding licensed chemical products); sales of machinery and equipment; wholesale of kitchenware, sanitary ware and daily sundries; wholesale of daily necessities; sales of electrical equipment; sales of personal hygiene products; sales of household appliances spare parts; sales of metal tools; power distribution Sales of switch control equipment; sales of leather products; sales of daily necessities; sales of daily necessities; sales of sanitary products and disposable medical supplies; sales of rubber products; sales of special chemical products (excluding hazardous chemicals); sales of disinfectants (excluding hazardous chemicals); sales of knitted textiles; Internet sales (except sales that require a license commodities); retail of kitchenware, sanitary ware and daily sundries; retail of electronic components; retail of cosmetics; retail of daily household appliances; sales of food detergents; business management consulting; information technology consulting services; import and export of goods; import and export of technology; leasing of non-residential real estate; sales of sanitary pesticides; road cargo transportation (excluding dangerous goods)