The pentagonal arm section has good neutrality and strong load-bearing capacity; the whole machine has a compact structure, stylish appearance and small installation space.

The hook adopts a horizontal automatic retracting hook with independent intellectual property rights, which reduces the swing of the hook during lifting and transportation and saves preparation time before and after the operation.

Over-winding protection device to prevent safety hazards caused by wire rope breakage.

It adopts an integral rotary mechanism, which is light in weight, good in craftsmanship and high in production efficiency.