Import and export of goods and technology import and export, wholesale, retail; land route, sea and air international freight agent; Sales: packaged foods, plastics, building materials, electronic computers and accessories, electronic products, communications equipment, electrical machinery and equipment, man-made boards, automatic parts, hardware and electrical equipment, daily necessities, needle textile products, general machinery, metal materials (except the goods of country monopolizes and exclusive control ), other chemical products (excluding hazardous chemicals), medical devices (the second category of medical devices).