A smart nano-blackboard is also called a nano-blackboard all-in-one machine. It is generally divided into 65 inches, 75 inches, 85 inches, 86 inches, 98 inches, 100 inches, and 110 inches. Ordinary blackboards have a lot of dust, causing air pollution and endangering the health of teachers and students. Double Window Display, Lcd Advertising Display Monitor , Indoor Digital Menu Boards , Digital Advertising Boards ,Outdoor Advertising . Welcomes all abroad close friends and retailers to ascertain collaboration with us. We are going to give you with genuine, high-quality and successful company to satisfy your requirements. The product will supply to all over the world, such as Europe, America, Australia,Hanover, Kenya,Cambodia, Chicago.The online version of the interactive digital kiosk can realize unified management, and the terminal can manage multiple devices in the background, reducing manpower and time expenditure.