... :2004:GB/T 24001-2004/ISO14001:2004 CD1,,MD1 Type Electric HoistModel CD1,,MD1 Wirerope Electric Hoist is a smallsized lifting equipment,which ... in raising working efficiency and improving working conditions. Model CD1, Electric Hoist has only one normal speed,which can satisfy normal ... machine tools,ect. Thus, model MD1 Electric Hoist is more widely than Model CD1.To meet the needs of lifting heavier ...