LSY series screw conveyor 1)Reasonable price 2)The best after-sales service 3)First-class quality 4)Hot products concrete screw conveyor Features ... , without dust leakage, safe and reliable.2, using a forming screw blades, welded to the center tube, it can be completely ... -8(9)LSY300-9(12,15)Metric diameter of screw (mm)160160185185237305Length of screw conveyer (m)2.54.568(9)8(9 ...