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"Chinese companies are very active in developing AI technology and application. They have achieved phenomenal progress in a very short span of time. Their contribution to AI will be tremendous," he said.

"China's digital transformation has developed at an unprecedented speed, and has created huge and valuable opportunities. The Chinese market has become one of our largest markets globally," said Kang Rong, vice-president of Microsoft China.

"China, President Xi, has been very strong in helping us to solve this problem," Trump said. "I have a very excellent, as you know, relationship with President Xi. And I think that relationship is very important as to what's happening with North Korea."

"China's competitive advantages are significant with the country's high-speed rail technology having proven that it can stand the test of various climates ranging from alpine to tropical conditions," said Zheng Changhong, former deputy chairman of CRRC.

"Cross-border e-commerce platforms hope to grasp the opportunities arising from the unfading enthusiasm of consumers," said Mo Daiqing, a senior analyst at the Internet Economy Institute, a domestic consultancy.