... conveying, material granule under the driving of chain slices on the direction of motion will move forward along the ... , molecular sieve, kaolin, silica flower, active carbon and so on.Pesticide Ore: Urea, ammonium chloride, ammonium bicarbonate, soda powder, ... chalk and so on.Foodstuff Industry: Flour, starch, grain, milk powder, food additive and so on. KRD Conveyors systems-tube chain conveyors ...