Mechanical parts and parts processing; automobile parts and accessories manufacturing; motorcycle parts manufacturing; electronic components and electromechanical component equipment manufacturing; technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; metal cutting and welding equipment manufacturing; mold manufacturing; machine tool functional parts and accessories manufacturing; motor and control system research and development; electronic component manufacturing; industrial automatic control system device manufacturing; industrial automatic control system device sales; industrial design services; general equipment manufacturing (excluding special equipment manufacturing); mechanical and electrical equipment manufacturing; mechanical and electrical equipment sales.