1,grinding maize,soybean,crop starks,etc 2, new type advanced with cyclone 3,final size you want.economy and practicality This series refers to the tangential feeding hammer grinder; available to grind various dry materials like sorghum, maize straw, blighted millet, stalk and cassava etc. It is easy in operation, sanitary, form and durable in service, really ideal equipment for grain processing. ...