Manufacturing of high-speed rail equipment and accessories; manufacturing of urban rail transit equipment; manufacturing of railway locomotive parts; manufacturing of glass fiber and products; manufacturing of glass fiber reinforced plastic products; technical services, development, consulting, exchange, transfer, and promotion; repair of electrical equipment; sales of rail transit engineering machinery and parts; sales of rail transit special equipment, key systems, and components; sales of high-speed rail equipment and accessories; sales of railway transportation infrastructure equipment; sales of special equipment; sales of glass fiber reinforced plastic products; sales of railway locomotive parts; sales of electrical equipment; import and export of goods; technology import and export. Licensed items: manufacturing of railway transportation infrastructure equipment; manufacturing of special equipment; installation, modification, and repair of special equipment; electrical installation services; design of special equipment.