... crushing solid materials of about grade 3 hardness, such as soft mineral, brittle material, tenacious material, cellulosic material, etc. ... wood powder, nutshell, Chinese herbal medicine, bark, leaf, wheat bran, mushroom, sesame, rice shell, corn cob, stalk, starch, shelled ... body three parts wood flour machine. 2.wood powder machine with fan, powder collector, dust composition. 3.grinding tool, 7- ...