... ,Quick Sample 4) OEM OK Polished Aluminium Window/Door Handles for all kind of Door & WindowSpecification:Material: Alluminum Alloy: 1x,2x, ... , Insulation, Platic forming, HydroformingApplication: Aluminum polished/ anodized door knobs for all kinds of door or window in Industry, Architecture, Decoration..and so ... along with a thorough understanding of customer requirement. till Aluminium Door Handles