... ,steel finish:polishing,zinc plated applicate to machine,auto,truck sheet metal plateMaterial: alloy steel, stainless steel, carbon steels, brass, iron, zinc ... blasing, zinc/chromate plating, power coated and anodizingProcess: CAD service, metal processing, surface plating, QC testing and packingApplication: in machine, equipment ... are OEM and ODM for your reference, not for sales sheet metal plate