... .ISO9001:2008 4. OEM offerred Ductile iron casting part1. Company information: We are a ... professional cast iron manufactuer, and some engineers have over 40 ... main products include: i) alloy cast irons, gray iron, Ductile iron parts (G3000, G3500, GG20, GG25, GG30, GG35 ... NiCuCrl562.1563) , ii) grey high-carbon cast iron iii) high-silicon,high carbon contents (the carbon content ...