... chain conveying systemIndustry of Fine Chemicals: Dye, paints, coating, carbon black, titanium pigment, ferric oxide, ceramics powder, coarse whiting, ... calcium carbonate, bentonite, molecular sieve, kaolin, silica flower, active carbon and so on.Pesticide Ore: Urea, ammonium chloride, ammonium bicarbonate ... , grain, milk powder, food additive and so on. KRD tubular chain conveyors-conveying system