1)Precision Pump Castings 2) Material: stainless steel&carbon steel 3) Standard:JIS,DIN, ... : stainless steel,cast iron,pig iron,carbon steel,alloy steel,non-ferrous,grey iron,ductile cast iron and so on3.Process: lost ... ,polishing,machining,machining center,plating,Heat Treatment,ect. Precision Pump Castings