The steel wire rope is a spiral steel wire bundle which is made of steel wire which meets the requirements of mechanical properties and geometrical dimensions according to certain rules. The steel wire rope is composed of steel wire, rope core and grease. The wire rope is firstly made up of a multi-layer steel wire, and then the rope core is centered, and a certain number of strands are twisted into a spiral rope. Used in material handling machinery for lifting, towing, tensioning and carrying. The wire rope has high strength, light weight, stable work, and it is not easy to break the whole root and work reliably. In 1834, European Orobert invented the world's first wire rope (glossy wire rope). The first wire rope factory in Tianjin established in 1939 was the first metal product enterprise in China.