... 4. Application: auto parts High quality QT400 high quality ductile iron casting auto part Advantages :Over 12 years experienceHigh quality ... 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: ...