... intermediate hanging scroll, sliding bearing using interchangeable of two kinds of structure, we have dustproof sealing device, discharging ... not move forward or in lifting bearing place of material product plug formation, and make the ... 200 mm to 500 millimeters, a total of five kinds of specifications, length from 4 meters to 70 ... °C 80 or conveying liquid materials. Top Quality Flexible Screw Conveyor