Road motor vehicle production; civil aircraft (engines, propellers) production. General items: sales of plug-in hybrid dedicated engines; manufacturing of gears, gear reducers, and transmissions; sales of gears, gear reducers, and transmissions; manufacturing of general equipment (excluding special equipment); manufacturing of electric motors; manufacturing of motors; manufacturing of batteries; sales of batteries; technical services, technical development, technical consulting, technical exchange, technology transfer, and technology promotion; import and export of goods; import and export of technologies.