What are the domestic manufacturers of single-stage high-speed centrifugal blowers?

I suggest you take a look at Dongguan Tian Rui Electromechanical Technology Co., Ltd., which mainly produces fan products, including centrifugal fan, high-speed centrifugal fan, centrifugal fan, centrifugal high-pressure fan, high-pressure turbine fan, high-pressure centrifugal fan, high-pressure centrifugal fan and Lai Ci super fan.