... parts Materials: gray iron, carbon steel,stainless steel, aluminum, bronze, brass, zinc.die casting partsWe are professional ... AlSi12, A356, ZL102, YL104, YL112, YL113,or other aluminum alloy all acceptable.Quality AuditedB.V. AuditedProcessesCasting, Deburring, Machining, ... , drilling machine, numerical lathe, Shot blasting machine, Melting furnace, Sawing machine, The air compressor and so on.Surface ...