Light weight, easy to carry
High mechanical efficiency, hand zipper tension is small.
Adopt strong lifting chain, high flexibility and long life.
Reduced headroom height and side gap, conducive to smallspace operation.
Lifting sprocket adopts sealed integral deep groove ball bearing supportto reduce the tension of small hand.
The use of general industry can be replaced with hook frame link gourd main body.
The upper and lowerhook adopts anti-slip hook, which can effectively prevent slipping.
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