Stainless steel door, feed cone, big gear drive, great efficiency. 1.A wide range of application: nitramine fertilizer,ammonium fertilizer,calcium magnesium phosphate,potassium chloride,animal waste, organic fertilizer, magnetic fertilizer, non-organic fertilizer, cottonseed , tomato skin, Chrysanthemum, etc.2.Stainless steel door, feed cone, big gear drive, great efficiency. fertilizer pellet ...