Dong guan harmony power science and technology co., ltd

Dong Guan Harmony Power Science And Technology Co., Ltd which established in 2007 is a professional enterprise to research and develop the digital and power products. Our main products are car MP3/MP4/MP5 player,110V electrical appliance,power adaptor, DC power, AC power transformer, pressure-steady DC power etc. The products were CCC and CE certificated with strict product procedure and believable quality.