... after-sale service Laser engraving cool brass metal stamp tag : MaterialZinc alloy, brass, copper, iron, pewter, stainless steel ... painted, silk screen, offset printing, etc.PlatingGold, silver, nickel, brass, copper, antique plating, misty plating, daul plating, etc.Design2D ... spiral and wavy cutting edge.ColorPantone color chartSize30mm, 35mm, 40mm, 45mm, etc. All size is welcome.LogoSoft enamel, ...