This model paddy pre-cleaner machine is one of the grain cleaning machines used in the first step for all the rice mill plants with good working efficiency. It is designed to clean raw material in rice milling plant and feedstuff plant, mainly removing the large impurities such as stalk, clods, and fragments of brick or stone, to ensure the quality of material and prevent the next equipment from damage, which has high efficiency in pre-cleaning paddy, corn, soybean, wheat, sorghum, and other grain.