Smart nano blackboard is the integration of intelligence, multi-machine in one, integrated blackboard, touch all-in-one machine, audio, computer, projector in one, Smart Board 75 Inch, Digital Menu Display Software , Dual Screen Display , Floor Standing Digital Signage Display ,Outdoor Digital Menu . Our mission is to help you create long-lasting relationships with your clients through the power of promotional products. The product will supply to all over the world, such as Europe, America, Australia,Iceland, Romania,Bangalore, Ethiopia.For manufacturers of digital signage, you can rest assured. The digital signage produced by our company adopt international leading production technology and materials to ensure product quality and brand image.Has more than 13 years of factory production experience.Professional technology and strength are well received by customers.This is a very good choice for customers who want to develop their advertising machine business.