We Greatech is specialized in producing of:

Silence and High Efficiency Type Roots Blower and Vacuum Pump
Bore Size: 40mm – 150mm (1.5” – 6”)
Air Capacity: 0.1 – 22 m3/min
Pressure: 0 – 6000 mmAq
As Vacuum Pump: 0 - -5000 mmAq

Advantage:
Extremely low noise
Electric save at least 20%
Fully cooling including gear oil box
Gear oil only need to change once a year or even longer
Coupling driven, No need to change and adjust belt
Vertical design, space save 50%
High efficiency
Extremely low vibration, almost no shaking
Easy installation, Easy maintenance