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"China has brought tangible changes and benefits to the African society through improving local infrastructure, building schools and hospitals, and offering training courses," she said.

"By exporting mature technology, China will gather practical experience in the international market and hopefully share the benefit of its experience with more countries around the world."

"China has rapidly emerged as a global leader in the consumer-driven digital economy. The next wave of digital transformation in China is likely to lead to the restructuring of value chains and boosting of productivity through broader adoption of digital technologies by businesses," said Sha Sha, senior partner of consulting firm McKinsey & Company and managing partner of McKinsey Digital Asia.

"Capital is to a company what blood is to a man. Private enterprises, especially those in the growth period, cannot function well without enough financial support," Yu added.

"By hammering on each wooden railroad tie, workers can tell how much it has eroded and when to replace them with new ones," Dong said, adding a routine check of the ties is arranged once a month.