China's investment, factory output and retail sales all grew a little more slowly than expected in April. According to the National Bureau of Statistics, value-added industrial output expanded 6 percent year on year in April, compared with the 6.8-percent increase for March.

Retail sales of consumer goods grew 10.1 percent, compared with the 10.5-percent growth for last month.

And fixed-asset investment grew 10.5 percent in the first four months, compared with the 10.7-percent growth recorded in the first quarter of 2016. Investment in China's property sector rose 7.2 percent year on year in the first four months of 2016. The growth picked up following the 6.2-percent gain in the first quarter of the year.

"Generally speaking, we think China's economy is running stable...we have pressure from the slowing down as the process of industrialization and urbanization is continues, and we're at a crucial stage of adjusting the consumption structure. But the old driving force is weakening, and new momentum is growing...China's economy will keeping medium or high growth as long as we keep pushing forward structural reform," Shen Laiyun, spokesperson of National Bureau of Statistics, said.