Chinese well-known e-reader producer, Hanwang technology companies held a press conference in Shanghai Library on 13th August to introduce its new product, - D21 champion E-book. According to reports, the Hanwang E-book adopts the world's leading E-ink display technology, with the characteristic of no eye-hurt, no radiation, low power consumption, environmental protection and low-carbon. It pre-loaded thousands of Chinese and foreign classics, popular works and modern comics. The reading can be as comfortable as paper. Besides simple reading function, D21 champion expressly for students inputs a whole set of supporting resources for general study. In addition, D21 champion E-book also added a number of application tools, such as the "English-Chinese Dictionary", "Xinhua Dictionary", "Encyclopedia Britannica " and other important dictionary, which made online reading and learning available at any time and then a more efficient way of learning for students.