... 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 QTZ260, to meet the demands of various customers in different construction fields. We've been ... ∠100x10 Q235BParallel height of lifting beam (mm)1040 the loading and unloading in the workshop of factoryQTZ 25 Series tower crane