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"China is now at the cutting edge of solar technology and low-carbon transport, and leads the world in embracing non-carbon renewables such as wind, solar, and geothermal biomass," he said.

"China Unicom can also benefit considerably from internet players' marketing and product research and development capabilities," Xiang said.

"China and Chinese, I am so thankful to you for the new ways of thinking you have opened my eyes to, and for making me contemplate more deeply the true meaning of 'compassion'."

"China is accelerating its pace in transforming from a country with an extensive cyber presence ... to a cyber powerhouse. The IT infrastructure has achieved substantial improvement," said Zeng Yu, deputy director of digital economy bureau of the Cyberspace Administration of China.

"By using AI, we are able to receive and automatically process over 20 million images a day, many more than in the past when we could only deal with the images manually," said Chen Yanhong, an Shenzhen traffic police officer.