... 3.Noiseless operation 4.manufacture 5.CD1,MD1 model electric hoist Detailed DescriptionModel CD1,MD1 wirerope Electric Hoist is a small-sized ... only one normal speed,which can satisfy normal application.Model MD1 Electric Hoist provides two speeds:normal speed and low speed ... of sand box,maintenance of machine tools,etc.Thus,model MD1 electric Hoist is more widely than model CD1.To meet ...