... -displacement conveying device can realize conveying and computing powder, easy centralized control, increasing degree of automation and ... bicarbonate, soda powder, solid pesticide, tungsten powder, fish oil, copper fine ore powder, coal powder, rock phosphate, alumina powder and so ... and so on.Foodstuff Industry: Flour, starch, grain, milk powder, food additive and so on. Pipe Chain Conveyors for ...