... shanghai, and we special to produce Bulk process equipment and systems, include Tube Chain Conveyor ,Container Unloading System, ... bag emptying, big bag dump station, vacuum conveyor, Screw conveyor, Flexible screw Conveyor, Bag filling system, Dump dumper, Iris ... , iris valve, conveyors, vibra conveyor, screw conveyor, drum dumper, bag packer, belt conveyor, container discharger, dosing and weighting ...