Technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; motorcycle parts manufacturing; automobile parts and accessories manufacturing; new material technology research and development; general equipment manufacturing (excluding special equipment manufacturing); foundry machinery sales; foundry machinery manufacturing; mechanical parts and parts processing; casting molding material production; non-ferrous metal alloy sales; forgings and powder metallurgy products sales; metal scrap and chip processing; high-performance non-ferrous metal and alloy material sales; goods import and export; technology import and export.