Economist say the country is on track for its first year of rising growth since 2010.
"Overall, the economy continued to show steady progress in the first half.but worldwide instability and uncertainties are still relatively large, and the domestic long-term buildup of structural imbalances remains", the statistics bureau said in a statement.
"Despite concerns over China's so called shadow banking system, the global economic recovery seems to have supported Q2 GDP", he addeed.
Industrial production climbed 7.6 percent on year, topping expectations for an increase of 6.5 percent - which would have been unchanged from the previous month.
Property sales measured by floor area grew 16.1 percent in January-June from the same period a year earlier, up from 14.3 percent in the first five months of the year.
Wu Yibing, joint head of China of Singapore investment firm Temasek Holdings, told Xinhua that his company wanted to increase investment in China's new economic sectors as Temasek was optimistic about China's ongoing economic transition.
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"We do have doubts about how sustainable the recovery is", said Julian Evans-Pritchard, a China economist for Capital Economics, adding that the economy has "been very reliant" on government stimulus, rapid credit growth and a relatively loose monetary policy.
Data released last Thursday showed China's exports rose a stronger-than-expected 11.3 per cent in June from a year earlier and imports rose by 17.2 per cent in the year to June.
Analysts expect that tighter restrictions on property purchases and bank lending will continue to weigh on the economy in the months ahead.
On a quarter-on-quarter basis, the GDP rose 1.7 percent in the second quarter. The nation's solid growth reinforces recoveries for commodity exporters and keeps 2017's pickup in global growth on track, said William Adams, senior worldwide economist at PNC Financial Services Group in Pittsburgh. Export growth has a good relationship with manufacturing in China, so any slowdown would challenge a key support of China's robust growth.
China reported second quarter growth data Monday that topped expectations.
Chinese imports from the U.S. have also risen, but most of the extra purchases have been oil and other raw materials, which create many fewer jobs than manufacturing.