1, reach GMP standard. 2,chemical, food and other industries. 3,It also can be used to break up lump. 4,standard button 1.Working principle The rotary drum swings back and forth under the action of mechanical drive, forces raw materials out of screen, and gains granules. 2.Functional features2.1.Easy to control; through regulating the tightness and looseness of screen and the speed of rotary drum ...