tower crane : (1)novel design ,easy to operate (2)high quality ... trade company ,Now we offer tower cranes with maximum lifting loads form 2.5t to 16t, which include QTG25, QTZ25, ... QTZ31.5, QTZ40, QTZ63, QTZ80, QTZ100, QTZ125, QTZ160 and ... Parallel height of lifting beam(mm)1450/1380 tower crane with good applicability with ISO9001:2000