Shenzhen Lumen Electronics Co., LTD. was attended this exposition and showed a new generation of asynchronous high grayscale full color cards——C-Power 2&3&5 series and C-Power6200 / 7200 video cards, Phone APP software , LED information publish platform,and provide a series of solutions(such as oil screen,cross screen,bus screen,high way screen,metro screen,etc.),Received a great deal of attention and affirmation from our customers.