Other machinery and electronic products wholesale; Engineering and technology research and experimental development; Electrical equipment wholesale; Hardware products wholesale; Computer, software and auxiliary equipment wholesale; Information technology consulting services; Software development; The market management; Communications equipment repair; Electrical equipment repair; Instrument repair; Other machinery and equipment repair; Industrial automatic control system equipment manufacturing; Testing machine manufacturing; Electrical machinery specialized equipment manufacturing; Electronic industrial specialized equipment manufacture; Other specialized equipment manufacturing (excluding subject to the approval of the project permit); Micromotor and other motor manufacturing; Other electrical equipment manufacturing; Deals with the export business of the company produced products and the enterprise required mechanical equipment, spare parts, raw and auxiliary materials import business of import and export commodities (not attach directory), but the state limited companies or prohibit the import and export of goods and technology except.