ShenZhen LongYang Data Control Technology Co.,Ltd is a professional and high-tech enterprise which specialise in the CCTV field .Our company major products completely enjoy the knowledge Property Right and possess many patents. We manufacture a whole series high speed dome camera from 3.5" to 6", Integrative auto-focus camera, intelligent low speed dome, constant speed dome, keyboard controller, alarm box, receiver, converter and peripheral accessory which already have CE?FCC and RoHS certification. It integrates developing ,manufacturing, service and training together ,and already have the international management and sales net ,has become one of  important supplier in security industry.