At present, manganese phosphating coated steel wire rope is the most advanced technology in the wire rope manufacturing industry in the world, with the strongest wear resistance, which is suitable for all kinds of lifting equipment, especially friction-driven lifting equipment. Many enterprises purchase patents and licenses, and mass produce manganese phosphating coated wire ropes according to national standards, which is an upgraded product of smooth wire ropes. It is inevitable to eliminate all kinds of smooth wire ropes. for reference only