Research, development, manufacturing, processing, and sales of electrical protectors and vehicle sensor protectors, electrical accessories, and vehicle accessories; sales of raw and auxiliary materials used in electrical protectors, vehicle sensor protectors, electrical accessories, and vehicle accessories; research and development of polymer materials used in protectors; self-operated and agent-imported and exported goods and technologies, except for goods and technologies restricted or prohibited by the state. Manufacture of industrial textile products; sales of industrial textile products; production of labor protection supplies; general items: Manufacture of plastic products; sales of plastic products; manufacture of integrated circuit chips and products; manufacture of intelligent vehicle-mounted equipment; manufacture of power electronic components; manufacture of semiconductor device specialized equipment; manufacture of other electronic devices; manufacture of automotive parts and accessories; leasing of non-residential real estate.