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"Environmental pollution and climate change are among the greatest challenges facing developing countries, and China has taken a leadership role among developing countries in transforming the nation toward sustainable environmental and energy policies," Biswas said.

"Due to the independence and separation of living space in cities, children have fewer partners to play with than in the past, which has become a source of distress for many young parents," Wang said. "Therefore, these policies also embody a humanistic approach to city building."

"Extending the application of our product to more scenarios is part of our key work this year," said Mario Ji, vice-general manager of the QQ Music unit of Tencent Holdings Ltd. WeSing, a singing app developed by the internet giant allows users to sing, record and share songs with their friends online.

"Developing new competitiveness including technology, brands, quality and service, has helped greatly increase transactions for Chinese exporters and overseas buyers," said Xu.

"Environmental protection-related investment accounts for nearly 20 percent of the total project investment, and it is much higher than the local average standard," he said.