Screw Pump manufacturer / supplier in China, offering Sludge Pump, Positive Displacement Screw Pump for Filter Press and Sludge Dehydration System, Hopper Type Positive Displacement Screw Pump for Wastewater Treatment, Clogging-Free, Robust Sonstructed, Screw Pump for Sludge and Dry Mud, Non-Clogging, Robust Construction, Stable Flow and High Pressure and so on.