... single beam overhead cranes.Gantry Cranes, Jib Type CD ,electric hoist as only one normal speed which can satisfy ... circuit in an emergency,which ensures safe operation of electric block.Electric elements are of long service life and operational safety ... handle,and has two modes of cord operation and cordless remote controlModel CD1 MD1Hoist Capacity t0.5123510Nom Working LevelM3M3M3M3M3M3Hoisting ...