Shenzhen City Development & Technology Co. Ltd. is a well-known national direct selling LED display manufacturers, LED large screen integrated services operator. Quality assurance, price concessions, service first. The main LED indoor and outdoor full-color display screen, high-definition LED outdoor advertising, LED advertising screen, small screen LED HD, HD LED screen rental. Street lamp screen, screen, LED screen, LED color screen, LED stage, LED electronic display screen, LED display, LED display price, Shenzhen "