Billion security business was founded in 1994, is a self-produced, self-marketing and development as one of the sole proprietorship. Professional production sections of tape recorders series movement series, motor products, and the exclusive production of all computer logic automatically open up the anti with Walkman series. Companies with under Anhui, Hong Kong, Zhang Yang and three branches, with movement, plastic, motors, printing, machine and other advanced technology one-stop production shop. The system of high quality products are imported raw materials, equipped with advanced equipment and large in technology, precision production made, all products have achieved a number of national certification. (more>>)