... chose) 3:Marking Depth:0.1-1.0mm Pneumatic Marking Machine for Metal Parts are details as follow:Brief ... market demand ——Frame Marker Machine, The machine is in succession of constant Hengwei intelligent pneumatic mark machine, on the basis of ... parts, machinery and equipment , flanges , electrical equipment , metal pipe fittings and other fields, Large trucks, mini trucks ,motorcycles, cranes ...