The TIELISHI-brand QTZ series of tower cranes, ranging from QTZ31.5 to QTZ500 (Max Load=3T-25T), is among Hongda Group's leading products. With their working radiuses varying from 30m to 8 0m, QTZ tower cranes are famous for their large operating ranges, varied working methods and wide uses.This series of tower cranes has a horizontal jib frame, a jib-trolley radius-changing mechanism …
Read More