Main Features
1.built in layer of wool insulation materials
-possess patented industrial design
-use sustainable insulation material
-lower the noise level of airflow operation effectively .
2.backward -curved fan impeeller
-operate at low sound levels
-overcome high static pressure
-do not stall or overload motor at low airflow
3.completely sealed outer case
-consist of waterproof fabric entity
-resis to UV and corrosion resistant
-be easy to install both indoor and outdoor areas .
4.external rotor motor design
-provide superior motor cooling and durability
-use permanently lubricate ball bearings
-perform maintenance free operation
![5BCHEWX%L(U{XZV]%YNPGN9.png](http://sc02.alicdn.com/kf/HTB1ZLoYJhTpK1RjSZFM762G_VXaS/228388255/HTB1ZLoYJhTpK1RjSZFM762G_VXaS.png)
| ball bearing | sleeve bearing | |
| Picture |  |
 |
| Price | higher | lower |
| Brand | NSK from Japan | Made in China |
| Advantage | stable performance, low noise, 5-8 years lifetime | low cost, 2-3 years lifetime |
| Material | stainless | coppper sleeve |
| Warranty | 3 years | 1 years |
@ Our company was founded in 2009, our business is electronic components. During the year 2009-2011, many of our clients who order us electronic components (such as ICs, connector, Fanuc parts AB converters and so on.) Begin to order us PCB and Axial flow fans. So we try to invest 1 PCB factory and 1 axial flow fan factory.
@2011-2015 our Business mainly on PCB and DC Axial flow fan, and compare with PCB, we are Preparing open our own factory on Axial flow Fan.
@2015.4th-May-now our Cooling fan factory founded. More and more of our business change to Industrial cooling area. We have our own brand SZXF and also cooperate with ADDA AVC and so on, many of our engineers from AVC also our factory manager.
@2018, we have our new factory on inline centrifugal duct exhaust waterproof fan.
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