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"China is one of the most active countries in the research and application of graphene, and Shenzhen is the most innovative and dynamic place in China. Here, the whole innovation environment and industry development trend make me more willing to participate," said Andre Geim, winner of 2010 Nobel Prize in Physics.

"China has reduced tariffs to levels it had promised before joining the WTO, and the decline exceeded the previous targets," said Wei, now vice-president of the Beijing-based China Center for International Economic Exchanges.

"But we will be very cautious about overseas expansion, to ensure a steady development of the group," he added.

"By getting listed, fintechs will consolidate previous achievements in development and will take the IPO as an opportunity to rectify nonstandard businesses so that they will meet compliance requirements. Besides, the status of listed companies will be helpful for them to obtain the relevant qualification accreditation or file for record under tightened regulations," the report said.

"China has the power, willingness and mindset to help others, and that's why I am here," Banerjee said. "I want to make this institute an internationally prominent one in geophysics and a regional leader if I become the next head."