1. The weight of the lifting material shall not exceed the limit working load of the spreader.
Visually inspect the slings used before use
And according to the lifting load of the crane to check its ultimate working load, in line with the requirements of the rear can be used.
2. Sling does not allow repair or reprocessing (welding, heating, heat treatment, surface chemical treatment)
If the above treatment must be carried out, should be sent back to the original manufacturer or under the guidance of experts.
3. Lifting heavy weights, the bottom of the weight is strictly prohibited.