BEIJING, Aug. 15 (Xinhua) -- China's value-added industrial output, an important economic indicator, expanded 5.1 percent year on year in July, data from the National Bureau of Statistics showed Thursday.

On a monthly basis, the industrial output edged up 0.35 percent in July from the previous month.

The industrial output measures the activity of enterprises each with an annual main business turnover of at least 20 million yuan (about 2.8 million U.S. dollars). ■