Organic fertilizer and compound fertilizer are different in shape when the fertilizer particles are formed in the first place, and the particle size is different. In order to make the fertilizer granule look more beautiful, our company has developed a series of fertilizer round polishing machines, such as organic fertilizer round polishing machine and compound fertilizer round polishing machine. Organic fertilizer round polishing machine is the round polishing device based on organic fertilizer, compound fertilizer granulator.