Additive manufacturing; Additive manufacturing equipment manufacturing; Intelligent basic manufacturing equipment manufacturing; Nonferrous metal casting; 3D printing services; General equipment manufacturing (excluding special equipment manufacturing); Auto parts and accessories manufacturing; General parts manufacturing; Motorcycle parts manufacturing; Mechanical parts and parts processing; Intelligent unmanned aerial vehicle manufacturing; 3D printing basic material sales; Additive manufacturing equipment sales; Intelligent foundation Sales of manufacturing equipment; sales of electrical equipment; sales of mechanical equipment; sales of automobiles; sales of communication equipment; sales of security equipment; sales of mechanical parts and components; wholesale of auto parts; retail of auto parts; sales of intelligent unmanned aerial vehicles; software development; technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; technology import and export; goods import and export; import and export agency.