... ] Normal Material :General Steel ,Stainless Steel ,Aluminum ,Brass ,etc[2] Process for Machines :NC Turret Punch Press ,NC Bending Machine ,Machines ... for Cutting ,Bending ,Polishing &Brushing [3]Surface treatment :Plating ,Powder ... Coating ,Anodizing ,etc Tips:The photo here is just for you reference ,if any question or request please call me ...