Yanyan Co,Ltd. develop and produce the manufacturers which decode the board and relevant products of VCD/DVD first at home,there is rich econormic and technological capability. Worker's number is up th more than 600 in 2005,will include more than 20 engineers and technicians and more than 40 sales forces ,more than 500 direct labors,the area of factory building is more than 10000 square meters ,6 procuction lines of smt(sticks to a scene of technology )with international most advanced level.Through untiring efforts for more than ten years ,grow into one have audio-visual products,MP3 and peripheral equipment two major industry.already,comprehensive enterprises incorporating grinding production and marketing into an organic whole.