... appearance,reasonable structure 4.Widely used Description:1.electric double drum winch2.There are two type in this series electric double ... construction company,mine,factory and so on.4.Electric double drum winch is widely used in industrial and mining,metallurgy,hoist ... .5.Feature:Cap:5-12t.Single drum or dual drum.Frequent reversal,high starting torque.Button or cam control.Manual lifting.220/380 ...