... The wood powder machine, developed by Henan Kefan, is based on the advanced technology of congeneric products at home and ... herbal medicine, bark, leaf, wheat bran, mushroom, sesame, rice shell, corn cob, stalk, starch, shelled shrimps of grain type, fish ... clay, perlite, distilled grain, furfural, cake type, charcoal, activated carbon, cellulose, potato slag, tea, hair, bean pulp, cotton, cow skin ...