Industrial Stand Fan 18 Inch 3 in 1

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We hold a very strict quality control system to check every connector of our products for your safety.

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1. We will reply you in detail within 24 hours

2. We own well-trained and professional sales and after- sale services who can speak fluent English.

3. We offer OEM services and can print your own logo on products.

4. We have strong ability to do ODM projects.

Q:The electric fan is moving all the time. Why is there a lot of ash on the leaves? Ash won't fall when you blow it?: When the fan does not rotate, it falls gray.

Q:What is the difference between air conditioner speed regulation and electric fan speed regulation?: Variable frequency air conditioning is to change the frequency of motor power supply to achieve speed regulation, in fact, the frequency adjustment will also change the voltage.

Q:How to pick an electric fan?: The advantage of the large fan is that the fan blade is long and the radiating area is large, so the gas flow rate is larger. But if not properly designed, the cooling capacity of a large fan may not be as good as that of a small fan

Q:How to measure the speed of an electric fan conveniently and precisely?: Can be measured with a laser tachometer, affixed with reflective stickers, measured several times, the effect is good

Q:Which brand of industrial electric fans is good?: Industrial fan industry high visibility, high reputation, cost-effective, good quality, good after-sales, sales network at home and abroad

Q:When did the electric fan start to appear?: In 1883, the factory began mass production of this type of desktop fan.

Q:What is the principle of an automatic fan head swing back and forth?: The second is to rely on the synchronous motor (with reducer) of the electric fan head swinging, rotating direction of synchronous motor is random, when the resistance will automatically change the direction of rotation, when the swing head to set the position of the synchronous motor will be blocked after back, thus forming a pendulum head phenomenon.

Q:Why does the fan seem to spin backwards when it spins?: This is the reason that the wheel looks stationary, when the frequency of the fan's rotation is related to the maximum frequency that the human eye can tell

Q:Does the fan blow the door open or closed?: Conditional doors should be opened against the door to form an air duct for the air convection.

Q:What is the function of the fan blade?: Five can lookout "cut" more small, quiet is better. Because of the "cut" the wind is more uniform, with five fans not only brought the silencing effect from the comfort of view is also much more choice, fan blowing can achieve a wider range than block adjustment

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