... packaging and other processes of powder and bulk material. We are special to produce the whole system equipment of ... in shanghai, and we special to produce Bulk process equipment and systems, include Tube Chain Conveyor ,Container Unloading System, ... , big bag emptying, big bag dump station, vacuum conveyor, Screw conveyor, Flexible screw Conveyor, Bag filling system, Dump dumper, Iris valve, Fluidizer ...