At present, high definition LED display is more and more popular in the wolrd. Especially, in inyternational press conference forum, expo, police and military control hall, high definition LED display are widely used. Dosatronics chooses extremely good brands of LED chips, LED encapsulation, IC, PCB, cables, powers, and cabinets for the production of LED screens. All the LED Displays are widely used in lots of applications, especially in city landmark, Huge Buildings, Plaza, airport, seaport, train station, bus station, scenic area and resort, Event and stage, banquet, concert, product launch, press conference, sports and stadium etc. Outdoor LED display, LED panel, LED screen, LED wall, LED board. 4k and 8k video Solution must need high defnition LED displays.