... : alloy Steel, aluminum,carbon Steel,plastic and stainless Steel2.process: casting or forging 3.application ... 3000mm*3000mm*3000Typical products:Impeller, Pump case & cover, Bearing house & brackets, Valve body, Impeller, Valve slide, counterweight ... steel, alloy steel etc.2.Manufacturing Processes: sand casting, investment casting, centrifugal casting etc.3.Technology: surface treatment, polishing, ...