... of operation, conveyor can be divided into:belt conveyor,screw conveyor,bucket elevator.Features:1.Occupy small space,be easy and flexible to change ... direction, the largest can reach 180 degrees;2.S-type flexible conveyor,every unit has 8 rollers,every unit not only can ... associate with some units.They assemble easily;3.S-type flexible conveyor, the length stretch and retract has 3 times difference.