1 transmission efficiency, 2 low manufacturing cost, 3 strong sealing performance, 4 ... the three main parts.Screw conveyor is series conveying equipment which widely applies tothe departments such as metallurgy, ... machining etc. Features:1 simple structure,2 low manufacturing cost,3 strong sealing performance,4 safe and ... 70M79T84.4T74T7.5 Conveying machine, Screw conveyor, Building equipment