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. Whiteboard Viewsonic, Advertising Screen Mockup , Restaurant Video Menu Boards , Screen Menu Board ,Menu Board Screens . We have been normally seeking forward to forming profitable company relationships with new clientele around the environment. The product will supply to all over the world, such as Europe, America, Australia,Zimbabwe, Juventus,Slovak Republic, Swiss.According to the mobile Internet, from positioning, ordering, and ordering to checkout, various unnecessary links in the middle are reduced, which not only improves the work efficiency of the restaurant, but also makes the customer experience better, and also saves a lot of labor costs. The combination of self ordering kiosk for restaurants and mobile applications has brought a lot of convenience to customers and restaurants. Now everyone should understand the highlights of the self-service ordering machine.