... Steel ,Aluminum ,Brass ,etc[2] Process for Machines :NC Turret Punch Press ,NC Bending Machine ,Machines for Cutting ,Bending ,Polishing &Brushing [3 ... ,etc materialcarbon steel, stainless steel, aluminum, zinc, brass, etcProcessinglaser cutting, CNC punching, CNC bending, welding, stamping, etcSurface treatmentpainting, hot galvanized, powder coating, polishing ...