metal plain belt buckle zinc alloy, die casting, nickel plating competitive price, prompt shipment ROHS/CE compliant OME metal plain belt buckle Specifications:Material: zinc alloy, also available in iron, brass, steel, aluminum alloy, etc.Process and technology: Die casting, polishing, plating, painting, epoxy dome, printing(silk-screen printing / pad printing) , laser engraving, soft enamel, ...