Cast aluminum parts mainly focus on surface oxidation removal, edge burr smoothing, surface roughening, matte finish, flatness, and rust treatment. These parts can be manufactured into aluminum die-cast auto accessories, engine components, cylinder heads, engine cylinder heads, valve rockers, valve supports, electrical fittings, motor end caps, enclosures, pump housing, building components, decorative fittings, guard rail parts, and aluminum wheel parts, among others.