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. Touch Screen Interactive White Board, Digital Menu Board Software Free , Floor Standing Display Board , Outdoor Lcd Advertising Screen ,Digital Ad Screen . With the tenet of "faith-based, customer first", we welcome clients to call or e-mail us for cooperation. The product will supply to all over the world, such as Europe, America, Australia,Florida, Canada,Luxembourg, South Africa.Use the self-service ordering machine to allow consumers to order food by themselves and pay after ordering. There are various payment methods (Alipay, WeChat, face recognition), thus reducing the workload of restaurant waiters and leaving more time to serve consumers, so that the return rate of repeat customers is higher, and truly realize the O2O model of the catering industry. The ordering kiosk has undergone continuous evolution and development, and its functions and features are gradually converging, while consumer demand is constantly changing. In the era of competing for products, services, and features, catering companies gradually realize the importance of marketing methods. importance to attract consumers.