... specialized in producing and exporting various tower cranes, top less tower cranes..Tower crane: type QTZ31.5, QTZ40, QTZ 63, QTZ80, QTZ125, QTZ160 ... the construction elevator with single cage, double cage of 1-ton lifting capacity and 2-ton lifting capacity at present. The types are ... lifting capacity each cage). concrete pump model is HBT60-13-90S,HBT80-13-90S,HBT80-13-110s,HBT80-16-90s 20T tower ...