... process! OEM CAST IRON A:Name:pump body of casting B:Material:Cast steel, cast iron, grey iron,ductile iron,carbon steel.stainless ... adopted.we can offer the good price and high quality and professional service ,hope for you with cooperation ... South America· Asia· Western Europe· Australia 1MaterialDuctile cast iron,Grey cast iron2SandGreen sand,sodium silicate sand 3MachineLathe,CNC,Drilling machine ...