Wide Applicability Stainless Steel Ventilation Exhaust Fan for Greenhouse 

Exhaust Fan, Box Fan, Cooling Fan, Ventilation Fan, Poultry Fan

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Main Structure:

Fainly consists of blad, motor, frame, protect net, bracing cage, shutters. The motor drives

blade to cause airflow and louver window can open and close automatically to keep the dust

from entering.
1, Frame using advanced automatic processing, height precision. Extra-depth zinc coating

frame, corrosion ressistance strong. (frame are made of galvanized board, thickness 1.0mm

galvanizing layer 120G/M2; Blade, 6pieces of blades and all the blades are made by

430/201/304 stainless steel, mirror face. )
2, High-strength aluminum alloy casting wheel, the reasonable perspective of the type, to

reach the maximum airflow. High-precision micro-computer-aided manufacturing system can

make the best of its fans.
3, Five rigorous quality testing proccedures, noise detection, vibration testing, concentric

rotation performance testing, speed of blade testing and the whole fan efficiency detection,

380V special motor.
4, CAD/CAM optimizing design.