-Superior Strength
Tough and rational structural design has accomplished superior strength, Especially strong and durable driving shaft and seal are adopted for longer operation.

-Less Noise and vibration
Employing thicker duct plate, developing new propeller design and so on have achieved less noise and vibration which follow comfortable living environment on board

-Easy Installation and Periodical Inspection
Is especially reduced duct lip and has a structure that it is able to weld anywhere on outer surface of duct for installation, On the periodical inspection, it is almost
Not needed to change parts except seal.