Common drying troubles in life: rainy days, cloudy days and snowy days, clothes are hard to dry; drying clothes and sunbathing quilt, laborious and time-consuming. But if you have an automatic drying rack, you can effectively solve the above troubles, in addition, the appearance of fashionable al...

The impeller consists of a wheel disk, blades, wheel cover and shaft disk. The housing consists of a worm plate, side plates and support legs. Blowers can be used with forward or backward angled blades for a wider range of air volume and pressure requirements. In addition, the enclosure can be mu...

Ion fan according to its discharge is the electrode (discharge needle) used in the form of high voltage can be divided into two categories of AC and DC, AC is divided into high-frequency type and ordinary AC type (commercial frequency), DC is divided into continuous DC type, DC pulse type.

In addition to the cooling effect, the working noise of the fan is also a common concern. Fan noise is the size of the noise generated by the fan work, affected by a variety of factors, the unit is decibel (dB). Measuring fan noise requires