QTZ Tower cranes,Ce approved,popular for exporting to Mid-east,Africa, ... is stable, and swings small when lifts,· materials of main limbof model of standard knot is large(∠140×140×10 or ∠125 ... connect cap,road,up an down turntable etc. use·basis of this tower crane: concrete-type,heavy pressure-type main technical parametersModelMaximum ...