... cutting,punching,bending,deburring,stamping,welding,pretreatment,assembling,etc 2materialstainless steel, iron ( SPCC, SECC, SPTE, tinplate), aluminum alloy ... -2008Key Specifications/Special Features:Materials: carbon steel or stainless steel Surface treatment: powder coating, painting and zinc-plated Main ... products show: Precision Electrical Controlling Box with Powder-coated Surface Treatment