Original organic fertilizer and compound fertilizer granules have different shapes and sizes. In order to make the fertilizer granules look beautiful, our company has developed organic fertilizer polishing machine, compound fertilizer polishing machine and so on. The organic fertilizer polishing machine is a circular polishing device based on organic fertilizer and compound fertilizer granulator. It makes the columnar particles roll to ball, and has no return material, high ball rate, good strength, beautiful appearance and strong practicability. It is an ideal equipment for organic fertilizer to make spherical particles.