Shenzhen CTVHD technology Co., LTD. Company devotes to research and development, production, sales and service of the video, teaching touch equipment product, production, the products cover: all series of infrared touch screen and CCD optical touch screen, 18.5 ~ 108 inch computer TV all-in-one PC and interactive electronic whiteboard, 15 inch ~ 82 inch LCD and plasma advertising machine (a single version and advertising machine, wall hung, online console, vertical type screen, horizontal type screen or customized advertising machine) and touch LCD advertising machine, touch TV, touch display screen and multimedia touch solutions.