1)regulated: hanmmer and screen 2)regulated: numbers,permutatilon 3)40-80mesh powder 4)exchange bolter 5) INTERNATIONAL Can mill the feeds for aquatic animals,birds and beasts.(40-80mesh)Can destroy the materiel circumfluence,improve millefficiency and reducedissipation of energy.Struture of exchange bolter is subtle and provided with humanization.International standard and making from speciality ...