... on 20-30 percent of the percentage of the abrasives,well,as you know,it is untouchable.2, Better convexity of the abrasives Usually the height of the ... -80 percent,as a result,the tools would be more sharp,what’s more,the grinding force and the grinding temperature will ... per seconds.7, Environmental friendly It thoroughly breaks away from the blocks of serious pollution with the electroplating-made ...