HONKKONG DONGYUAN INDUSTRIAL COMPANY with subordinations of SAYIN ELECTRONIC , HARDWARE FACTORY and DONGGUAN BESTSOUND ELECTRONIC PLASTIC FACTORY were both founded in 1995& Which is a high-tech private enterprises. Professional in MP3 player wireless headset, wireless speakers and Active DJ speaker trolley speaker,wooden cabinet speaker customized power bank ,every kind of radio series such like FM auto scan radio , Customized one station radio AM.FM radio, PLL multi band digital radio customized fixed one frequency radios, DAB radio NOAA weather radio etc, in the future , we will focus on the development and manufacture of new energy products.br