Beijing YHJN science and technology Co., Ltd was founded in 2003, which is a high-technology enterprise. Our main product is interactive large touch screen that can reach to 150 inch. Now we've developed interactivewindows, interactive floor, and VR book. Our products have been widely used in our Mainland, Hongkong, Tiwan and exported to many foreign countries such as Japan, Korea, Our products and good service have gained customers' high praise and bring them lots of benefits! Now we are expecting many more cooperators! Hope we can become your supplier!