passenger hoist,passneger elevator,passenger lift,construction elevator,construction hoist,construction lift specialized in producing and exporting various tower cranes, top less tower ... QTZ40, QTZ 63, QTZ80, QTZ125, QTZ160,QTZ200,QTZ250 and QTZ315,PQTZ125, PQTZ80,PQTZ63,PQTZ50 the free height from 31 ... single cage, double cage of 1-ton lifting capacity and 2-ton lifting capacity at present. The types ...