Electrostatic powder coating gun is mainly composed of powder supply barrel, powder spray gun and controller. It is a special spray gun for electrostatic spraying of paints and powder coatings. It is both a paint atomizer and an electrostatic electrode generator. The powder needs to be charged to the workpiece to form an effective coating to protect and decorate the workpiece. Usually, a powder spray gun that can generate high-voltage static electricity is used as a production tool for powder coating. http://www.powdercoatmachine.com/powder-coating-gun/