Why Choose Us: 1. We’re the most professional manufacturer, which could meet customer’s various needs on products. 2. We have a yearly sales volume of 300 million US dollars both domestic and overseas and our monthly production could be more than 30,000 sets. 3. We values scientific & technical innovations and protection of intellectual properties, fills many technological gaps in educational equipment industry both in China and foreign countries, and has over 20 national patents as well.