Urban rail transit equipment manufacturing; sales of specialized equipment, key systems, and components for rail transit; manufacturing of high-speed rail equipment and accessories; sales of high-speed rail equipment and accessories; manufacturing of railway rolling stock parts; sales of railway rolling stock parts; information technology consulting services; technology import and export; goods import and export; import and export agency. Licensed items: railway rolling stock manufacturing; railway rolling stock design; railway rolling stock maintenance; road freight transport (excluding dangerous goods).