It is widely used metals, nonferrous metals and non-metallic surfaces made of various manufactures grinding, the machine has two grinding head, which can be coarse grinding and polishing the surface, with high efficiency, safety (dust less No poison, no injuries occurred as the grinding wheel, smashed the accident), the economy. Especially for machinery, hardware and tools, die casting, hardware equipment, instruments and other industries polished flash, burrs and polishing. In short the value of the aircraft are widely used, is considered instead of ordinary polishing wheel machine and the ideal product.