... force, high roughness, low cardamine.Good wear resistance, long using period. trong temperature, no climate impact, not ... and dirty, forbidden to put under sun for long time.Take sands away from the paddy; keep paddy ... limitedDon’t make the machine work for a long time, in case effect the hulling capacity.The ... can creat to supply it for you . 6'' or 10'' white polyurethane rice huller rubber roller