... ,CNC Introduce:1.smooth and tidy cutting edge,free of burr or fuzzy edge,optimum ... counting ,high precision ,high speed,high efficiency and concurrent cutting3.cutting circle, ellipse, square, rectangle and single-hole, porous, the ... the import cutting tool, German ultrasonic technology, guarantees the product quality. company brief introduceDongguan BRDASON Ultrasonic Equipment Co.,Ltd has been ...