SHEN ZHEN A-SMART TEC& DEV CO.,LTD is a hi-tech enterprise engaged in manufactuer,sales,research and development of car GPS, all-in-one DVD players, headrest LCD monitor, sunvisor LCD monitor, rearview LCD monitor, roof-mount/flit down LCD monitor, parking sensor. Our goal is superior quality, all new functions, competitive price, attractive design and excellent service. We also would like to provide OEM service. Looking forward to cooperate with you.