... auto parts High quality QT400 high quality ductile iron casting auto part Advantages :Over 12 years ... Material:stainless steel, cast iron, pig iron, carbon steel, alloy steel, non-ferrous, grey iron, ductile cast iron,etcType:lost wax casting ... , soluble glass casting, ductile iron casting, sand casting, die-casting,cnc machining ,ectweight:from ...