General items: Manufacturing of gears and gear reducers and gearboxes; sales of gears, gear reducers and gearboxes; manufacturing of bearings, gears and transmission parts; sales of bearings, gears and transmission parts; manufacturing of intelligent basic manufacturing equipment; sales of intelligent basic manufacturing equipment; manufacturing of electric motors; research and development of intelligent robots; sales of intelligent robots; manufacturing of power electronic components; sales of power electronic components; manufacturing of electronic components; manufacturing of electrical equipment; sales of electrical equipment; research and development of mechanical equipment; manufacturing of mechanical and electrical equipment; sales of mechanical and electrical equipment; artificial intelligence industry application system integration services; artificial intelligence sales hardware