Screw Pump manufacturer / supplier in China, offering 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, China Eccentric Screw Pump for Sludge Dewatering Systems, Open Hopper Inlet, Forced Feed, Clog-Free and so on.