auto part 1. Material:QT400 2. Weight :2kg 3. Surface: shot blasting ... . Application: auto parts High quality QT400 high quality ductile iron casting auto part Advantages :Over 12 years experienceHigh quality control,Competitive price ... iron, ductile cast iron,etcType:lost wax casting, soluble glass casting, ductile iron casting, sand casting, die-casting,cnc machining ,ectweight:from 0.02kg to ...