LED display maintenance schedule: 
 1: In the case of not-for-accessories costs $ 100. 
 2: for power, $ 80 each, plus 70 of the manual costs, a total of 150 
 3: Control card, $ 350 each, depending on the size of the screen to determine the full-color be discussed separately. Plus debugging costs 100 yuan 
 LED single-color display is basically these problems, the unit board I can repair. To avoid the whole screen colors, the color is not the same. 
 The restaurant had just opened, so in the maintenance and installation price lower than their peers, above the price without bargaining. Thank you to patronize. 
 The door of the first screen 1700 / per square meter square meters, 3 meters below the installation fee plus 300 square meters or more free installation, all display the warranty for one year.