EY SPECIALIZED SOUND CO.,LTD ,Our factory are famous brand in audio and video all over the world. we supply the Home Electronic.audio and video:Speaker,Power Amplifier,Tunering,and so on.Especially, ok series and Y-series are the most important in all over the world. We are the greater producer in specialized speaker,from raw material development, loudspeaker unit design and production, sound speaker design and production....
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