1F., No. 42, Lixin 1st.,Xinzhuang Dist.,
Y & S Technology was founded in 1996 whom is a leading and professional manufacturer of RF wireless electronic products Electronic sound imitation technology. Our product lines include whistle (High decibel volume) , alarm device, ABS (anti-lock brake ...
Electronic Whistle,Personal Protection,Self Defense,Whistle,Personal Alarm,Baton,Electric Vehicle Motor Kit,Brushless Motor,Brushless Hub Motor
