The maintenance of the super tonnage flexible sling is very simple. The damage caused by the impact is very common in the lifting operation. But the super tonnage flexible sling only becomes flattened under strong impact, so there is almost no risk. Be light and soft, and easy to use in narrow space. The maximum load can reach up to 300t, and the effective length can reach 80m, which comply with Chinese industry standard JB/T8521-2007.