Motor manufacturing; research and development of motors and control systems; manufacturing of bearings, gears and transmission parts; sales of bearings, gears and transmission parts; manufacturing of gears, gear reducers and gearboxes; sales of gears, gear reducers and gearboxes; manufacturing of automobile parts and accessories; manufacturing of motorcycle parts and accessories; manufacturing of electric motors; processing of mechanical parts and parts; sales of mechanical parts and parts; import and export of goods; import and export of technology.