The sling has many advantages, such as portability, softness, flame retardant, high temperature resistant, excellent wear resistance, high strength, low elongation, high safety factor, long service life, non-conductivity, no electric shock hazard, and good resistance to chemical corrosion. And it is applicable to flame, spark, high temperature environment, with the ambient temperature range as -40℃ - 180℃, and the weight as 1/2 of the ordinary sling.