Technical services, technical development, technical consulting, technical exchange, technology transfer, and technology promotion; sales of semiconductor device specialized equipment; manufacturing of electronic components and electromechanical component equipment; manufacturing of high-speed rail equipment and accessories; manufacturing of railway locomotive and rolling stock parts; manufacturing of urban rail transit equipment; manufacturing of power distribution and control equipment; retail of hardware products; import and export of goods. Permitted items: Manufacturing of basic equipment for railway transportation. (Shall not engage in activities prohibited or restricted by national and municipal industrial policies.)