... grinder is suitable for milling raw material like tree branch, cotton stalk, corn stalk, wheat straw etc) with size less than ... ,wood scrap,corn stalk,peanut shell,wheat stalk,woood fuel,cotton stalk,biomass shell and so on.This kind of hammer ... as tree trimmings, wood pieces, crop stalks, rice husk, cotton stalk, cottonseed skins and so on. This hammer grinder contains some rotors ...