The limited company of automobile electronics of Dayang shijiazhuang is the only company in North China which engaged in designing,producing and selling sound appliance in car.Since 2003,the company has optimized the structure of products further,has put out five major series of the main products,including pointer-card-bring machine,electricity transfer card machine,single-disc CD machine,single-disc VCD machine and VCD/CD plus Card bring plus electricity transfer integrative machine and so on more than twenty high-middle-and low grade.The company also develoed VCD,etc.at the same time,and accepted th ebusiness of process the raw materials of domestic and international electronic product and assembling the semimanu factured goods actively.