... , 5~250 tons punching machines, welding machine, polish machines.Processed material :stainless steel, copper, carbon steel (according to customer'srequirement)Surface treatment: Hot ... ,anodize.Making process: Stamping, deep drawing,bending, punching, laster cutting,threading,welding, tapping, riveting, grinding.Size :According to customer's desingThickiness :0.5mm ~12mm ...