... steps, that's the guarantee of the quality and reliability.4) Service advantage: Better service at same situation, better ... at same service! * Products list and application area:1) Full color LED display : Equally or compactly make the red, ... , port, marketplace, telecommunication, department, school, monitor, restaurant, entertainment, 3) Full spec, such as P10, P12, P14, P16, P20, P25, P31.25 ...