Screw Pump manufacturer / supplier in China, offering Connecting Rod for Single Screw Pump /Progressive Cavity Pump/Mono /Netzsch, Sheathing/ Connecting Rod/Pin/Bearing/Single Screw Pump /Mono/Netzsch/Seepex/Allweiler, New Material Ceramic Rotor Small Model/Mono/Seepex/Netzsch/Viscotec/Teaha for Pump/Valve and so on.