Qingdao Elec-Ry Electronic Co., Ltd. Is a famous company who mainly produce Car Audio and Video parts such as car DVD and car Mp4 and car GPS system, its registered at the year of 1997 and have been in this line for 10years and have built a very good reputation among our customers from all over the world such as Bily Trading (Canada) Co., Ltd and have gained a lot of experience of OEM producing and have built a very professional working team for all the steps. We are always standing at the front position of this line, we firstly get the patent technology of Dual Core Car DVD player producing and we firstly join the functions of GPS/Mp4 player/Bluetooth in one product. We have a professional service team who can give you the best service for products/quotation/good's delivery and so on! We have a very good regulation about after sell service, we offer a years guarantee about our product's quality and free-call back rule for products that damaged without man-made reason.