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"For a socialist, you've got a lot more confidence in corporate America than I do," Biden said.

"Guangzhou has a huge market full of opportunities and potential," said Luo Zheng, an official at the Guangzhou commission of commerce.

"From my knowledge with my Chinese colleagues, the investment in the Chinese banking industry is rising on the security topic because of the risk consciousness and the hackers … Today, the question is no longer 'if you will be attacked' but 'when you will be attacked'. Any banker is a responsible manager and is happy to end the risk," he said.

"Financing difficulties of high-tech industries discouraged many Chinese companies from (investing in) the industries. The STAR Market, however, has the potential to correct this resource misallocation and therefore notably enhance productivity," Xue said.

"For instance, the agricultural experts from Yangling wanted to build a greenhouse on the field to raise the number of crop varieties," she said.