Main Products: Steel bridges, steel structures, and laying of railroad switches & crossings; design, manufacture and selling of cranes,fasteners, bridge bearings, railroad turnouts, crossings and fittings, and turning circle of locomotive; design and manufacture of architecture steel structures, engineering machinery, and electro-mechanical equipments, urban tram-road equipments, as well as forging and casting parts; export &import business of machines, equipments and materials needed and produced by this en...