Nylon braid using ambient temperature ~+100 ℃-40 ℃, non-use in high temperature environments. Synthetic long exposure to UV radiation intensity decreases, so the strong ultraviolet radiation should not be used where lifting belt for too long. Sling to avoid molten metals, acids, glass, fragile items, nuclear reactors, as well as upgrade job under special circumstances. Sling bearing loads and based on the test data used to sling, never overload. Cross or reverse the sling is not allowed, during use, do not allow knotted, twisted.