... machine and polishing machine 2, single face grinding 3, max workpiece outside diameter:180mm Wenzhou Hengmei Mullers Co.Ltd. is a professional ... FUNCTATION: SINGLE FACE LAPPING ONLY POLISHING FOR MIRROR FACETHE MACHINE IS ADDED LAPPING POWDER BY HANDS AND CONTROLLED BY TIMEWHEN ... THE TIME IS REACHED, THE MACHINE WILL STOP.USUALLY FOR POLISHING CERAMIC,CARBON,TUNGSTEN CARBIDE, ...