COME TO US AS WE ARE HOME THEATER EXPERT!We are the manufacturer, we are focused & we are professional! We are pious to our work and customer. You can mail to us:master(AT)jintong.gdbnet.cn.Yw-GoldTone ELECTRONICS(SHENZHEN)CO,LTD, products of which are both high in quality and reasonable in price, is a professional manufacturer of home theater system and multi-media acoustic products, with a hi-tech development team including senior engineers and professional acoustic circuit designers, and more than ten years experience in researching and producing acoustic products. Write to us: master(AT)jintong.gdbnet.c