Guangzhou Qihengda Technology Co., Ltd.
Focus on R&D and manufacturing,
and strive to become a quality brand in the cooling fan industry
Wrong choice of cooling fan?
AC fan: working principle of AC fan
Cooling principle of stage lamp fan
With the progress of society and the development of productivity, product competition is becoming more and more fierce. People in order to promote their products, and constantly build a stage, stage l
Differences between AC fan and DC fan
AC fan and DC fan are the cooling fans we use in our daily life and industrial work. They are both the same and different.