Founded in June 2004, Donguan Wanma Electronic Technology Co, LTD is one of the leading professional manufacturer of Car Security Electronics products in China. It located in Dongguan Guangdong China. DongGuan WanMa specializes in producing car driving safety alert system, car GPS navigation system,car DVR system, products web service, intelligent information system and driving sleepy alert system. WanMa is also involved in many areas,such as precision mold exploitation,vehicle-mounted electric appliance, GPS,etc.