... .the construction is compact 2.high efficient, saving energy 3.low noise 4.small vibration 5.convenient maintainability These serial ... a complete machine set.Used to drive different kinds of common machinery, such as:1. Compressor, Ventilator, Water pump, Cutting ... , machine industry, petroleum chemistry industry, electric power plant etc.3. drive large moment of inertia facilities, as blower, coal ...