The JLG-III experimental rice huller is a device produced by Hangzhou Daji Optoelectronic Instrument Co., Ltd. that can remove the outer shell of rice grains, reduce grain explosion and skin damage, and maintain the integrity of brown rice as much as possible. Suitable for hulling various types of rice, it is a specialized equipment for testing the roughness and polished rice yield of rice. The instrument is applicable to the relevant requirements of GB/T 20569 "Quality Determination Rules for Rice Storage" and GB/T 5495 "Grain and Oil Inspection, Rice Roughness Inspection".