... 2.gold,Nickel or Chromate plating,Anodize Economy chrome finish guitar strap button,guitar strap buttonWe provide ... casting,turning, punching,milling,machinging,drilling,etcSurface treatment:Polishing, chrome/zinc/nickel plating,power coating, natural anodization, galvanizing, ... , Unigraphics, Auto CAD (IGS, STP, STL and X-T)CertificateISO9001:2008PackageStandard export carton or as per customer’s ...