Aluminum Cap 1.Material:aluminum 2.Size:custom 3.Timely shippment Precision Machinery Spare Part/Component1.Material:aluminum2.Size:custom3.Timely shippment Materials: stainless steel, copper, steel, aluminum alloy, zinc alloy,etcMain process: Machining, Forging, Casting, Die casting, Stamping,etcFinish :polishing, zinc plating, nickelplating or chrome plating,phosphating Black anodization etc. ...