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"Even though metro trains can meet the demand to transport a large number of passengers from one location to another, it is too costly to build the infrastructure and difficult to control the noise," said Qu Tianwei, chief engineer with CRRC Dalian. "In addition, they cannot run very fast."

"Different from traditional customer service tools, the intelligent assistants customized for large customers and the general after-sales intelligent assistants, the AI shopping guide solution developed by Abitai, focusing on certain commodity categories and business scenarios in vertical industries, can deal with the more challenging tasks in presales," Hu Yunhua, CEO of Abitai, said during the launch event.

"Dual circulation", China's new development pattern, will help expand domestic demand and improve productivity based on creative reforms, experts said at a seminar organized by the China Center for International Economic Exchanges, a national-level think tank.

"Everbright Financial Leasing has been paying close attention to the research and development of the C919 aircraft. Its successful maiden flight on May 5 has been a milestone in the history of China's aviation industry," Zhang said.

"Efforts to transform traditional industries and nurture emerging sectors are of significance to China," said Wang Peng, deputy president of the China Center for Information Industry Development, a government think tank.