our company is the manufacturer of mp3&mp4,if you are interesting in this business please send your e-mail to me ,my e-mail addresss is firstsky1981atyahoo.com.cn
Telephone:86 - 756 - 2213095
Address:Room 15C, 4th Building, HaiWanHuaYuan, ShiHua East Rd,JiDa District, Huizhou Guangdong China