Weifang Subtor Rotating PrecisionMachinery Co., Ltd.
About
Weifang Subtor Rotating Precision Machinery Co., Ltd. is a German-invested enterprise based in Weifang, China, with over 20 years of experience applying the Moineau (progressive cavity) principle. The company maintains production facilities and R&D centers in both Germany and China, plus sales and service centers across Central America, Singapore, India, the United States, the Middle East, and South America. Subtor’s surface pump line includes the MM metering pump for precision chemical dosing, the S-type direct-coupled pump for compact transfer, the A-type pump with external bearing housing for heavy-duty service, the M2-type hopper pump with force-feeding screw for high-viscosity media, oil-gas multiphase pumps for simultaneous liquid-gas transport, and the OU-type vertical pump for sump installations. Downhole products include screw pumps paired with surface drive units for artificial lift in oil wells. The VDM series choppers and shredders reduce solids in wastewater streams to protect downstream equipment. Subtor also manufactures drilling mud motors for directional drilling applications and stator mandrels as core progressive cavity pump components. The company leverages proprietary rubber formulations for its elastomer stators and offers custom engineering solutions. Applications span environmental protection and wastewater treatment, oil and gas, biogas and biomass energy, chemical processing, food and pharmaceutical, mining, and coal-water slurry handling.
Key Products
Progressive cavity metering pumps for precision dosing of chemicals and process fluids in water treatment and industrial applications
Compact single screw pumps with direct motor coupling for transfer and dosing of viscous or abrasive fluids
Progressive cavity pumps with external bearing housing for heavier-duty industrial applications requiring extended service life
Progressive cavity pumps with integrated hopper and force-feeding screw for handling high-viscosity and high dry-matter content media
Progressive cavity pumps capable of simultaneously transporting liquid and gas phases for oil field multiphase boosting applications
Vertical orientation progressive cavity pumps for space-constrained installations requiring vertical sump or tank mounting
Subsurface progressive cavity pumps for artificial lift in oil wells, paired with surface drive systems for rod rotation
Volumetric solids reduction equipment that shreds and chops incoming solids in wastewater streams to protect downstream pumps and process equipment
Downhole progressive cavity power sections that convert drilling fluid hydraulic pressure into rotational force for directional drilling
Precision-manufactured core components that form the internal helical surface of progressive cavity pump stators
Personalized pump and system designs tailored to specific application requirements across all served industries
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