All kinds Exhaust Propeller Portable Ventilator

Portable Ventilator Made of Aluminum alloy Motor , Blade of Die-cast aluminum alloy and Galvanized steel bodyWith the good capability, the super speed ,the novel pattern, the reasonable structure and the strong suction.Make low noise and Light weight due to die-casting aluminum alloyMove easily wherever exhaust or inhalation by field condition due to small and portablePrevent workers from the suffocating by improving bad air into the fresh ones.Many Type such as Normal Type , Model A Ajusting Type , Model U Ajusting ,Hand-Push Type and 36 V Safety Type .Having some diversified pin for selecting from , including American , British , French , Great Wall , etc Application -Manhole ,tunnel and tank -Ship building , under-ground project -Welding and chemical lab or spot