New energy technology promotion service. New material technology, aerospace technology, integrated circuits Chip technology development, consultation, transfer and promotion services: Sonar equipment, railway special Equipment and accessories processing, sales: Power electronic components processing: Environmental protection equipment system Manufacture: Steel, aluminum, copper, metal products, metal materials, hardware products, meter Computer software and auxiliary equipment. Mechanical equipment, environmental protection equipment, automobile, automobile parts Pieces, building materials, chemical products (excluding dangerous chemicals) wholesale, retail: Production Product characteristics, characteristics inspection, testing services. (Projects subject to approval according to law shall be approved by phase Business activities can only be carried out with the approval of relevant departments)