Who we are?We are:Shenzhen Smart Screen Smart Technology Co.,Ltdhttp://www.led8k.netSINO HD LED SCREEN ART GROUP Co.Ltdhttp://www.leddynasty.cnSINO SMART ART LED Screen Art (Shenzhen)Co.,Ltdhttp://www.Leddynasty.net.cnShenzhen Super LED Screen Techno