roof's ventil stent part 1, Material: steel 2, Processing method: stamping,welding, zinc electroplating ... , polishing, chrome/zinc/nickel plating, PVC coating, anodize, E-coatingApplicable industry:Automotive IndustryElectrical IndustryBuilding IndustryFurniture IndustryMachine assembly IndustryComputer components IndustryAircondition industryFile ... , (IGS, STP, STL and X-T) roof's ventil stent part