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Performance characteristics：

Shutter: automatic control system and ensure the shutters open and close automatically, stopping the damage from wind and rain.

Motor: energy efficient motors, protection class IP55, insulation class F

Belt: Samsung Japan imported belt (can be customized)

The main components：
Fan blade uses the Krupp steel stamping, no dust, beautiful and durable. Special blade shape design ensures air volume, no distortion, no fracture, consistent air flow.

Domestic brands and Siemens motors available. Voltage and frequency of the motor can be customized. Fan designed Chinese famous car specially , first put forward with phase protection devices, turn off the power when the power shortage, self-power. Motor protection class IP55, class F insulation.

Sliding mechanism can be completely opened the shutters to ensure minimal air resistance and maximum air flow. When closed, it can be effective to anti-wind and anti-rain and anti-dust. 100% made of high quality nylon material injection molding. Fastener sliding mechanism are copper rivets, wear-resistant, not rust, and flexible. 304 stainless steel guide rods used to ensure that the high-intensity, no rust, reduce friction.

For easily handling, on both sides of the fuselage design to recess plastic handle, not only easily handling, greatly improve transport efficiency and 
but also rational designed, elegant appearance, not to hurt the hand, difficult to damage.