Production and sales of vehicle parts, traffic lamps, interior and exterior trim parts, and molds; ordinary freight transportation; self-operated and agent import and export of various goods and technologies. Licensed items: production of medical masks. General items: manufacture of medical packaging materials; production of daily-use masks (non-medical); manufacture of Class I medical devices; manufacture of rubber products; sales of rubber products; manufacture of plastic products; sales of engineering plastics and synthetic resins; sales of plastic products.