Now there are tight wire tensioners on the market, flexible slings (round slings), what are the benefits of flexible lifting: creative summary of the following points: 1. Belt tensioners are suitable for lifting round objects, high strength and weight 3. Sling flexible slings are mostly lifted, the sling is evenly stressed, and the life of the sling is longer. More lifting methods. Direct sales of Japanese-style ring tensioner can also be used to pull lifting objects. Grinding and anti-cutting protection sleeve 6, non-conductive, no risk of electric shock 7. Flexible encapsulated ring back sling made of PES, the internal load-bearing core is protected by a non-polar protective layer, forming a ring PES woven into a stress-free sleeve to protect the load-bearing core. . 8, especially suitable for lifting round objects. 9. The outer surface of the flexible sling is very good. The straight-shaped objects of the Japanese ring tensioner will not cause damage, nor will they cause damage to fragile objects. 10. Light and soft, easy to use in small spaces. 11. Load 0.5-500 tons, effective length 0.5-80 meters. 12. conform to Chinese industry standard JB / T8521-200713. flexible sling has small elastic elongation under working load.