... :2004:GB/T 24001-2004/ISO14001:2004 CD1,,MD1 Type Electric HoistModel CD1,,MD1 Wirerope Electric Hoist is a smallsized lifting equipment ... 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,ect. Thus, model MD1 Electric Hoist is more widely than Model CD1.To meet ...