Manufacturing of mechanical and electrical equipment; manufacturing of auto parts and accessories; R&D of auto parts; R&D of motorcycle parts; manufacturing of motorcycle parts; R&D of household appliances; manufacturing of household appliances; manufacturing of intelligent instruments and meters; manufacturing of special equipment for environmental protection; R&D of mechanical equipment; manufacturing of special electronic equipment; manufacturing of power electronic components; manufacturing of electrical instruments and meters; instrumentation Table manufacturing; manufacturing of amusement equipment for ordinary open-air playgrounds (excluding large-scale amusement facilities); manufacturing of electronic components and electromechanical component equipment; manufacturing of electronic components; sales of electronic components and electromechanical component equipment; sales of power electronic components; sales of special electronic equipment; sales of amusement equipment for ordinary open-air playgrounds; sales of special equipment for environmental protection; sales of mechanical equipment. Licensed items: import and export of goods; import and export of technology.