Manufacturing of auto parts and accessories; manufacturing of motorcycle parts; manufacturing of fasteners; manufacturing of metal parts for construction; manufacturing of plastic products; manufacturing of rubber products; manufacturing of industrial automatic control system devices; manufacturing of molds; manufacturing of urban rail transit equipment; manufacturing of electronic components; manufacturing of power electronic components; manufacturing of mechanical and electrical equipment; processing of mechanical parts and components; non-ferrous metal rolling processing; import and export of goods; import and export of technology.