... Zinc alloy, brass,copper,stainless steel, iron, pewter,etc3) Tehnique: die-casting, stamping,embossment,centrifugal casting ... ,etc4) Logo process: laser engraving, soft enamel,embossment,silk screen,offset printing, etching,etc5) Color:pantone chart6) Plating ... brass, copper, dyed black, chrome, dual plating, etc7) Epoxy:with or without8) Eco-friendly: ...