1.Centrifugal push-pull system can open the shutters completely, to ensure the lowest air resistance and large air volume. Centrifugal push-pull system is made of high quality nylon, high tensity and long service life.

2.The fasteners of the centrifugal push-pull system are all copper rivets,wear-resisting and no rust.

3.Stainless steel blades are made by punch forming,no deformation, no broken,elegant in appearance and durable. Fan blades are checked and adjusted by high-accuracy dynamic balance tester. Ensure the fan smooth running,lower vibration, less noise, and improve the fan life span.

4.Recessed type plastic handlers make the fan easy to carry, convenient to load. It will not affect fan installation and appearance.

5.Big fan pulley and AL flange are made of high strength aluminum-magnesium alloy by die-casting,light weight, high strength.

6.Fan belt can be customized to A or B type to meet different customers’ needs.

7.Imported Belt, no distortion and long work time,free maintain during the whole using period.

8.High efficiency and energy saving motor passed the 3C certificate, Protection class IP55, Insulation Grade F. Voltage and frequency can be customized.