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"Every time I listen to the stories with tears in my eyes, I feel sorry," he said.

"Escalators are one of our core products and our escalator factory in China serves global markets. The upgraded Otis escalator factory underscores our confidence in the China market," he said, adding that the group is committed to continue meeting the needs of its customers in China, the world's largest elevator market.

"Data and figures. These are the magic of modern economy and production," said Chen, adding that digitalized management supported logical and precise decision-making.

"Didi has accumulated rich experience in the car-sharing sector, including market strategy, investor relations management and consumer behavior analysis, which is of guiding significance for Ofo that is still in a growth phase," said Wang Xiaofeng, a senior analyst at Forrester Research Inc.

"Establishing more cooperative relationships with municipal governments all over the world will be our next move," Li said. "We aim to operate in 200 cities by the end of the year."