We are manufacturers for new QTZ31.5, QTZ40, QTZ50, QTZ63, QTZ80, QTZ100, QTZ125 ,QTZ160 topkid hydraulic tower cranes and PT 7528 topless tower crane, also for SC series construction hoist with 2 cages and one cage. We have passed ISO9001:2000 and have a large production capacities.