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"China's e-commerce sector has posted remarkable achievements as it drives global development," said Jennifer Ye, PwC China consumer markets leader. "Chinese internet giants are leveraging their own capital and technological advantages to create retail ecosystems, while consolidating offline spaces and upstream and downstream industries to maximize their competitive edges."

"Currently, the growth of world economy is slowing and (we are facing) many external uncertainties," said Liu Aihua, spokeswoman of the NBS. "Domestically, (we face) the combination of cyclical and structural contradictions and downside growth pressure has continually intensified," she said.

"Compared with traditional fully automatic labs, whose work-flow may be interrupted when there is a problem in any of its links, the smart lab enables researchers to replace the problematic link easily to ensure the smooth completion of the experiment," said Wing Lu, head of the smart lab research and development unit in Nikyang.

"Chinese operators' investment in 5G will reach 5 billion U.S. dollars this year, and around 70,000 to 90,000 5G base stations will be built across the country," said Canalys Analyst Mo Jia.

"China's energy policy seeks to shift away from such high reliance on coal and build more nuclear generation, as well as other low-carbon generation sources," he said.