as of 2012, Xining economic and Technological Development Zone has 317 industrial enterprises, of which sales revenue of over 5 billion yuan enterprises, sales of over billion yuan of industrial enterprises in 110.

it is understood that the existing 317 enterprises, industrial enterprises above Designated Size 120, a year-on-year increase of 13; sales revenue exceeding 100 million yuan enterprises 21 more than the previous year, billion yuan enterprises accounted for 34.7% of all industrial enterprises, an increase of 3.3 percentage points over the previous year. In addition, the proportion of industrial output value of industrial output value reached 28%, an increase of over the previous year by 6 percentage points. (author: