Smart nano blackboard is the integration of intelligence, multi-machine in one, integrated blackboard, touch all-in-one machine, audio, computer, projector in one, Online Teaching Smart Board, Restaurant Menu Board , Restaurant Menu Board , Restaurant Digital Menu Display ,Digital Menu Display Board . With advantage of industry management, the company has always been committed to supporting customers to become the market leader in their respective industries. The product will supply to all over the world, such as Europe, America, Australia,Iran, panama,Zimbabwe, Peru.People from a province. The function of a self-service ordering machine not only realizes self-service ordering, but also self-payment, which can replace the original work of one or even several staff members, and can save a lot of manpower;