... 2.high efficiency 3energy saving blower machine 4high rising pressure pump 5.stable operation, long life 1. Low noise, due ... our blowers are further reduced.2. High volume and anti-heat efficiency, so it is energy-saving. The blower rotor ... . Widely used in many fields, especially in gas transportation, waste water treatment, aquaculture, pneumatic transport, vacuum packing, oxygen generation, etc. ...