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 Advertising Boards, Outdoor Digital Advertising Display , Window Screen Store , Outdoor Digital Menu ,Android Kiosk . To acquire a consistent, profitable, and constant growth by getting a competitive advantage, and by continuously increasing the value added to our shareholders and our employee. The product will supply to all over the world, such as Europe, America, Australia,Muscat, Karachi,Lisbon, Tunisia.Save time three times. Save time for customers to queue up, and save time for merchants to order and cashier, so that merchants have more time to entertain more customers and increase restaurant revenue;