... etc.Size35mm,40mm,45mm,50mm or customizedThickness1.5mm,2mm,3mm,4mm or customizedLogolongzhiyu or OEM Process Casting,engraving,printing, ... etching,enamal,stamping etc.Packingpolybag+carton,plastic box+carton. or ... for your reference: ♣ COMPETITIVE ADVANTAGES:1.Eco-friendly2.OEM & ODM service3.Reasonable price and high quality4.Prompt ...