Beijing's tech hub of Zhongguancun has  reported a robust economic rebound, with the total revenue of the area's  major high-tech enterprises surging by 9.9 percent year on year to 4  trillion yuan (about 589.2 billion U.S. dollars) in the first eight  months of this year.

Among the key technical fields, the electronic and information sector  saw its total revenue rise 17.5 percent year on year to 1.93 trillion  yuan from January to August, according to the Beijing Municipal Bureau  of Statistics.

Other major sectors that contributed to the rebound include  bioengineering and new medicine, which reported total revenue of 158.2  billion yuan, up 7 percent year on year, the bureau said on its website.

The total research and development expenditure of the major high-tech  enterprises in the area surged nearly a quarter year on year to 182.8  billion yuan during the period.

Beijing's Zhongguancun area, dubbed China's Silicon Valley, is home  to numerous leading Chinese IT companies as well as new startups.