Our company is a subsidiary under a Singaporean Ystater group ， The Singaporean Ystater group is a company specializing in audio-video products of number incorporating science , industry and trade into an organic whole ， Product their sell and spread all over the world 。 Specializing in training in year CD, on the foundations of the memory , digital camera ,etc . In order to satisfy the love of the sound appliances in the car of the clan owning cars ， Specially introduce serial automobile-used MP3 transponders, authorize our company to be China district's exclusive distribution.