Grinding wheel for steel ballSteel ball grinding wheel with high density and high hardness,Website: , the grinding wheels are mainly used for grinding various steel balls for bearing.They are mainly used for the rough grinding all kinds of steel balls, and after the processing, good surface finish and roundness.It is listed as the National Development Project of "Spark Plan" by the national Ministry of science and technology.Our grinding wheels are with high grinding efficiency, processing efficiency & high durabilityWith special grinding fluid, it is good for environmental protection