Smart Education has rich OEM and ODM experiences in manufacturing audio books with talking pens, such as textbooks, coaching books, wall charts, etc. We have a large number of electronic educational industry engineers concentrate on printing books with hidden codes, cutting voices, synthesizing voices and so on. Moreover, we have a complete production chain, from product shaping, structure designing, mold producing and PCB and software designing to manufacturing and after-sale services. Our products sell well not only at home, but also abroad, including the north America, Russia, South Korea, Japan and Southeast Asia.