... roller, 2.better wear-resisting, 3.that hulling capacity is 400-480 tons. TypeWheels TypeNestedTypt No.XL-100XL-152XL-200XL-254XL ... at high-speed. 4.Health and non-toxic, no pollution to rice and bran, clean, bright white grain of rice, pure ... ,Alkali,Salt,oil and dirty,forbidden to put under sun for long time.3.Take sands away from the paddy,keep paddy dry ...