... , CNC cutting machine, 5~250 tons punching machines, welding machine, polish machines...Processed materialstainless steel, copper, carbon steel ... powder coating, anodize...Making processStamping, deep drawing,bending, punching, laster cutting,threading, welding, tapping, riveting, grindingThickiness0.5mm ... be stainless steel, alumilium, cold-rolled steel for the hinge or according to the drawings.2, ...