Qualification Certificate

Motor Bracket (Variable-Pitch Screw Vacuum Pump)

Bottom Exhaust Structure for a Screw Vacuum Pump – Utility Model Patent Certificate (Sealed)

A Disassembly-Free Maintenance and Servicing Structure for a Screw Vacuum Pump – Utility Model Patent Certificate (Sealed)

A machining device for a screw-type vacuum pump

A screw cooling device for a screw-type vacuum pump

A drilling device for screw-type vacuum pump rotors

A dry vacuum unit for solvent recovery

A single-stage high-pressure liquid-ring compressor and a method for its manufacture

A welding fixture for vacuum pump impellers

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