Technical services, technology development, technology consultation, technology exchange, technology transfer, technology promotion; general parts manufacturing; import and export of goods; technology import and export; import and export agency; information technology consulting services; automobile parts research and development; automobile parts and accessories manufacturing; automobile wheel hub manufacturing; motorcycle and parts research and development; motorcycle parts and accessories manufacturing; mechanical parts and parts processing; mechanical parts and parts sales; automobile decoration supplies manufacturing; automobile decoration supplies sales; tire manufacturing; tire sales; motorcycles and spare parts wholesale; motorcycle and spare parts retail; mechanical equipment sales.