As one of the nation's top technology hubs, Beijing Zhongguancun is showcasing its latest achievements in innovation and creativity at the China Beijing International High-Tech Expo underway from May 23 to 27.

Since its establishment three years ago, Zhongguancun demonstration zone, along with its many companies have been a national pilot for technical innovation and system reform, "contributing greatly to promoting an innovative nation and helping Beijing build a world city", said the zone's administrative officials.

This year's expo has an exhibition area of 3,200 square meters for more than 100 companies based in the demonstration zone, including many small companies and startups. More than 80 percent of them are making their debut at the annual industry fair, which is now in its 15th year.