Why should the spreader be tested regularly?

　　In accordance with the relevant provisions of the spreader, the tools used for lifting at least once a year by the professional staff to detect once. Spreader in the use of the process, the following factors may lead to spreader damage to the production of security risks:

　　1, spreader in the use of the process, causing the spreader surface scratches, wear, deformation, etc .;

　　2, spreader in the impact of the impact of lifting (also because of this, the spreader safety factor is often relatively large);

　　3, spreader fatigue damage;

　　4, non-standard operation, maintenance spreader caused by the spreader surface damage, deformation, wear, corrosion, rust and so on.