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Time：2021-08-24Views：0
DC cooling fans have many specifications, sizes, and powers, but the really cheap DC cooling fan should be the 4010 model. Why is this fan so expensive and cheap? Mainly because of the large amount of this fan, the large amount has the following convenience and advantages
1. The raw materials and accessories are relatively cheap
2. Injection molding, production and processing are also relatively cheap
3. High degree of automation, lower labor costs
However, if this DC cooling fan does not use much and has special specifications, the cost will be much higher. For example, ultra-low speed, dual ball bearings, PWM speed control function and so on.
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