We are a reliable manufacturer of LED display control card in Nanjing China. Our newest X series LED display controller support huge functions which other China brands LED display control card dont have, such as: infinite width infinite programme infinite areas 256 grade gray level, full color, asynchronous Add Anti-corrosion paint process, makes the card more dural and resistance to high temperature anti aging. We have more than 10 years manufacturing experience of LED display control card, our cards works stable and fluent as our customers reputed. We welcome you contact and have a try of our high quality cards.