Auto parts research and development; auto parts and accessories manufacturing; auto parts retail; motorcycles and parts research and development; motorcycle parts manufacturing; motorcycles and parts retail; mold manufacturing; mold sales; plastic product manufacturing; plastic product sales; hardware product manufacturing; forgings and powder metallurgy manufacturing Product manufacturing; sales of forgings and powder metallurgy products; retail of hardware products; general equipment manufacturing (excluding special equipment manufacturing); mechanical equipment sales; technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; import and export of goods; technology import and export; import and export agency.