The EC fan is mainly composed of a brushless DC permanent magnet motor (including a stator core, three-phase windings, rotor housing, permanent magnet, bearing, end cover, etc.), brushless controller, impeller and other parts.

The stainless steel fan is a ventilation device made of stainless steel (such as 304 or 316 grade) materials. It is favored in industries and special environments due to its corrosion resistance, high temperature resistance and wear resistance. Key advantages include: High corrosion resistance, excellent high-temperature performance, sturdy and safe structure, diverse applications，etc.