-Fiber-reinforced plastic construction with quality corrosion resistance feature;

-The bolts for the housing are covered to reinforce anti-corrosion performance;

-Imported resin to extend fan life;

-The inner of fan is coated with FRP material to separate metal parts from outside gases; Shaft seal is used to prevent leakage of corrosive gases;

-Motor, belt and other drive parts are separated from corrosive gases.