... operation 2. cheap cost 3. precision and pratical Dot peen marking machine -For metal engraving solutions! 1.Car and Motorcycle industries ... stainless steel, PVC materials.Also on plastic , leather .2.Machine industry: Marking on kinds of parts, hardwares, steel pipe, flange, ... or special order from users) Marking orientations-Up , down, left, right , various radian and dot matrix.Input: Manual or Line ...