The commonly used steel wire ropes are phosphating coated steel wire ropes, galvanized steel wire ropes, stainless steel wire ropes or plastic-coated steel wire ropes, which are used in atmospheric environment. The manganese phosphating coated steel wire rope produced by patented technology has the longest service life, and the hot dip galvanized-phosphating double-coated steel wire rope is preferred in heavy corrosion environment. for reference only