Smart nano blackboard is the integration of intelligence, multi-machine in one, integrated blackboard, touch all-in-one machine, audio, computer, projector in one, Touch Screen Board, Ad Screens , Digital Menu Display Software , Restaurant Menu Display Boards ,Window Lcd Display . If you pursuit the Hi-quality, Hi-stable, Competitive price parts, company name is your best choice! The product will supply to all over the world, such as Europe, America, Australia,Swaziland, belarus,Durban, Bangkok.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".