Screw Pump manufacturer / supplier in China, offering Ronice Dispensing Screw Valves/Pumps Automatic Fluid Dispensers for Transfering Adhesive Replacing Viscotec, Open Hopper Screw Pump, Wide Throad Progressive Cavity Pump, for Non-Flowable Semi-Solid Fluids, High Discharge Pressure, Hopper Screw Pump for Low Humidity Medium, Forced Feed, High Volumetric Efficiency, Long Delivery Distance and so on.