... ,competitive price 3.ISO9001:2000 ,CE Tower crane price:QTZ50 tower crane falls within upper-swing hydraulic climbing tower crane,which is operated by computer from ... and conventional design operations. And the max radius is 3-50m,freestanding height is 30m,attaching height is140m,the rated load ... .7Jackingm/min0.43Powerm/min380V/50HZPower Capacity24.9 2012 Bona QTZ50 Tower Crane Price