... certified Thickness0.4mm ~12mmEquipment5~250 tons punching machines, bending machine, cutting machine, welding machine, polish machine, grinding machine etcMaterialsteel, stainless steel, copper ... to customer's requirement)ProcessStamping, deep drawing, bending, punching, threading, welding, tapping, riveting, grindingSurface treatmentpolishing, chrome/zinc/nickel plating, powder coating ...