Flexible slings are used to mate with lifting objects such as hooks and are suitable for lifting objects under various lifting conditions. It has high strength without causing damage to the surface of the object, is light and soft, and can be used in a variety of combinations. The outer surface of the sling is very good and will not cause damage to vulnerable objects. And there are many ways to improve. The sling can also be used to pull a raised object. Slings are available in a variety of sizes and can be supplied with a variety of imported slings. It has a unique label and uses international standard colors to distinguish transport tonnage, even if the sling is worn out.