Smart nano blackboard is the integration of intelligence, multi-machine in one, integrated blackboard, touch all-in-one machine, audio, computer, projector in one, Interactive Whiteboard Teaching, Commercial Displays , Outdoor Digital Advertising Display , Commercial Lcd Screens ,Food Menu Boards . We welcome all of the clients and friends to contact us for mutual benefits. Hope to do further business with you. The product will supply to all over the world, such as Europe, America, Australia,Saudi Arabia, Saudi Arabia,Italy, Paris.Using the kiosk ordering system, you can have the "four provinces" function