The first handwriting drawing tablet of the world is produced on Jan 20, 2008. After one year’s technical examination and betterment, it has been sold all over the world. DiGuang possesses the global-advanced LED technology and Hanvon’s electromagnetic touch screen is highly accurate. Their combination makes every specification excellent.

Other products of the kind in the market adopt CCFL light technology, while Hanvon’s products use LED light technology of high capability, which exceeds its rivals in many aspects, such as environment protection, the precision of  pen orientation, color, brightness and so on.