Sales of feed additives; sales of feed ingredients; sales of food detergents; pet services (excluding animal diagnosis and treatment); retail of pet food and supplies; wholesale of pet food and supplies; retail of cosmetics; wholesale of cosmetics; new material technology research and development; new material technology promotion services; technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; engineering technology services (except planning management, survey, design, supervision); electronic components and electromechanical components Equipment sales; sales of special equipment for environmental protection; manufacturing of coating equipment; manufacturing of mechanical and electrical equipment; manufacturing of special equipment (excluding manufacturing of licensed professional equipment); manufacturing of security equipment; manufacturing of vibration and noise reduction equipment; manufacturing of special electronic equipment; manufacturing of electronic components and electromechanical component equipment; manufacturing of special equipment for electrical machinery; manufacturing of special equipment for daily necessities production; manufacturing of special equipment for daily chemicals; manufacturing of general equipment (excluding manufacturing of special equipment); sales of glass fiber and products Sales; sales of daily glass products; manufacturing of special equipment for the production of glass, ceramics and enamel products; manufacturing of glass fiber reinforced plastic products; manufacturing of daily glass products; glass manufacturing; manufacturing of machinery for construction engineering; manufacturing of special machinery for the production of building materials; manufacturing of washing machinery; installation services of general machinery and equipment; sales of machinery and equipment; sales of mechanical parts and components; sales of machinery for construction projects; sales of washing machinery; leasing of machinery and equipment; leasing of construction engineering machinery and equipment Research and development of mechanical equipment; repair of metal products; repair of general equipment; repair of special equipment; repair of communication equipment; repair of daily products; manufacturing of lightweight building materials; processing and manufacturing of building ceramic products; manufacturing of new building materials (excluding hazardous chemicals); manufacturing of metal parts for construction; sales of building materials; sales of lightweight building materials; sales of metal parts for construction; sales of construction ceramic products; sales of building decoration materials; building cleaning services; sales of sealing fillers; Chemical product production (excluding licensed chemical products); chemical product sales (excluding licensed chemical products); biochemical product technology research and development; coating manufacturing (excluding hazardous chemicals); coating sales (excluding hazardous chemicals); plastic surface treatment; sales of surface functional materials; pigment manufacturing; pigment sales; metal material manufacturing; metal structure manufacturing; metal tool manufacturing; metal daily necessities manufacturing; metal door and window engineering construction; metal material sales; hardware products Wholesale; sales of metal products; sales of metal tools; retail sales of metal products; sales of metal structures; research and development of metal products; research and development of hardware products; manufacturing of plastic products; manufacturing of plastic packaging boxes and containers; sales of engineering plastics and synthetic resins; manufacturing of special equipment for plastic processing; sales of special equipment for plastic processing; sales of plastic products; Internet sales (except for the sale of goods requiring licenses); land use rights leasing; housing leasing; non-residential real estate leasing; electrical machinery manufacturing; power generation Manufacturing of machines and generator sets; manufacturing of electric motors; manufacturing of electrical accessories; manufacturing of electronic components; sales of electrical equipment; wholesale of electronic components; sales of optoelectronic devices; sales of generators and generator sets; sales of special electronic equipment; sales of special electronic materials; sales of electrical machinery equipment; retail of daily household appliances; retail of electronic components; sales of electronic products; sales of electrical auxiliary parts; sales of wires and cables; sales of electrical equipment; maintenance of electronic and mechanical equipment (excluding special equipment) ); Manufacturing of daily chemical products; Manufacturing of daily sundries; Sales of daily necessities; Sales of daily necessities; Sales of daily necessities; Sales of daily chemical products; Construction of landscaping projects; Wholesale of kitchen utensils, sanitary ware and daily sundries; Research and development of kitchen utensils, sanitary ware and daily sundries; Feed additive production; Feed production; Food detergent production; Cosmetics production; Technology import and export; Residential interior decoration and decoration; Production of plastic packaging containers and tool products for food; Import and export of goods; Import and export agency;