... part.Shot blast surface. Features to Casting Par,Filter body,Valve body: 1.Material :GG20,GG25,GG30 or GGG40.2.Unit ... Final inspection:CNC 3-D inspecton facilities and others.9.Industrial categories:water supplying engineering industry,electric power engineering industry, ... ship industry and others.10.Representative product:gate valve body,butterfly valve body,ball valve body,Filter body,pump body.