... 3.ISO9001:2008 4. OEM offerred Ductile iron casting parts produced as per drawing or sample 1 ... years' casting experience.2. Products' information: Our main products include: i) alloy cast irons, gray iron, Ductile iron parts (G3000, ... G3500, GG20, GG25, GG30, GG35, GGG40, GGG50 and GGG60 15%Cr-Mo, L-NiCuCrl562.1563) ,MaterialDuctile cast iron, grey cast ...