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"When you look at the recent studies done globally, the quality of a smartphone's camera is the third most important consideration for phone buyers, trailing only 4G/LTE capability and reliability/durability," Zhang said, adding consumers were using their smartphones as an everyday pocket camera.

China has set its peak carbon emissions target for around 2030. The country also pledged 20 billion yuan (about 3 billion U.S. dollars) to establish a fund for developing countries to jointly tackle climate change.

The Long March-5 will be the country's largest carrier rocket, designed to carry 25 tonnes into low-Earth orbit (LEO). It is expected to carry lunar probe Chang'e-5, the core module for China's space station and the Mars probe.

Guan said China has made great efforts in promoting international and regional security cooperation since its reform and opening-up, and China's achievements in areas such as peacekeeping, disaster relief and naval escort missions are obvious.

VIENNA, June 13 (Xinhua) -- China is committed to taking the path of peaceful development and advocates for complete prohibition and thorough destruction of the nuclear weapons, China's Vice Foreign Minister Li Baodong said here on Monday.