Sling is generally used in flammable and explosive environment, and does not produce Mars itself. Since the first synthetic fiber flat sling was successfully applied in the United States in 1955, it has been widely used in the fields of ship, metallurgy, machinery, mine, petroleum, chemical industry, port, power, electronics, transportation, military and so on. The sling has the advantages of light carrying, convenient maintenance and good chemical resistance, and has the advantages of light weight, high strength and not easy to damage the surface of the hoisting object. It is more and more popular with the users and gradually replaced the steel wire rope in many aspects.

The disadvantages of lifting belt are mainly different from that of steel wire rope sling, which mainly shows that when the lifting object has sharp edges, these sharp edges will bring destructive cutting to the sling. In order to protect the sling from cutting, a protective lining can be used between the sling and the object being hoisted