Road motor vehicle manufacturing; special equipment manufacturing. General items: New energy vehicle sales; metal chains and other metal products sales; electrical signal equipment sales; mechanical and electrical equipment sales; computer software and hardware and auxiliary equipment retail; intelligent unmanned aerial vehicle sales; artificial intelligence hardware sales; information technology consulting services; information system integration services; software development; communication equipment sales; intelligent vehicle equipment sales; security equipment sales; metal products sales; new energy vehicle electrical accessories sales; moped manufacturing; moped, mobility scooter and parts sales; power distribution and control equipment manufacturing; technology import and export; goods import and export; radar and supporting equipment manufacturing; satellite communication services; computer system services; artificial intelligence industry application system integration services; automobile sales.