* Using a unique pushing centrifugal system, if so, it can beautomatically opened.

* Stainless steel fan blades forming a  stamping process,no distortion, no breaking, beautiful and durable highprecision.

* Dynamic balance vibration testing to ensure the smoothoperation without fan vibration, reduce noisy and improve thelife.

* With unique recessed carrying handle design, it not only caneffectly avoide the inconvenice during the loading andtransportion, but also will not affect the installation andthe appearance.

* V-type pulley from high strength aluminum-magnesium alloyinjection moulding theraml, light weight, high strength.

* A or B type belt can be customized made by our companyaccording to the dealer''s selling, which can meet the needs ofdifferent customers.

* Configuration energy efficient motoers, approved by CCCcertification, Protection class: IP55. Insulation class: Fclass.

* Machanical centrifugal open organizabition adopt toughreinforced nylon which is 100% injection moulded by raw material.High strength,long using life. Guide steel bar aebedded chipinstalled in the flange to enhance the organization''s reliability,avoid nylon strentching movements during the production.