1、Good Polishing Effect: Pneumatic polishing machine adopts eccentric double rotation polishing method, which makes the polishing effect more uniform and smooth. 2、Low Energy Consumption: The sanding machine has high working stability, high efficiency, and low vibration rate, which greatly reduces power consumption. 3、Zinc Alloy: This material has good corrosion resistance and is not easily deformed after long term use. It is a very practical machine. 4、Simple Operation: The operation of this sander is very simple, just remember to inject pneumatic oil every day and let it idle for a few seconds. 5、Wide Application: Pneumatic sanders are suitable for local grinding of areas, removing solder joints and rust spots on metal products, deburring furniture and wood products, mold making, polishing automobiles, etc.