Smart nano blackboard is the integration of intelligence, multi-machine in one, integrated blackboard, touch all-in-one machine, audio, computer, projector in one, Digital Menu Layout, Lcd Ads , 55 Commercial Display , Indoor Menu Boards ,Advert Display Screen . Together with our efforts, our products have won the trust of customers and been very salable both here and abroad. The product will supply to all over the world, such as Europe, America, Australia,Las Vegas, Juventus,Mongolia, Argentina.Four save money. Reduce labor costs, improve ordering and delivery efficiency, and thus achieve a win-win situation of "restaurants save money and make money, and customers are simple and convenient".