... grain 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'' rice mill rubber roll on cast iron drum