... Si, Ca, Mg and K. USEIt is a new type granulator in fertilizer industry, specially used for powder materials such as ... , ammonium sulfide, Si, Ca, Mg and K. Directly using dry-method extrusion, irregular granule within diameter 2mm~6mm can form ... granules and novel appearance.PROFILE OF EQUIPMENTThis equipment is a granulator without drying process in mormal temperature It has the characteristics ...