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-- a plan to adjust policies on duty-free shopping for tourists leaving Hainan;

"Mexican food and agricultural products getting exposure via the expo will make their way to ordinary Chinese households with the help of the year-round platform," said Yonanetl Zavala Cadena, president of Shanghai operations at the Mexican Chamber of Commerce in China.

This is China's fourth airport with an annual passenger throughput of more than 50 million following Beijing Capital International Airport, Shanghai Pudong International Airport, and Guangzhou Baiyun International Airport.

More efforts will be made to incentivize the commercialization of R&D findings. Commercialization professionals will participate in the whole process. Universities and research institutes will be encouraged to participate, through commercial deals, in business research on technological breakthroughs.

Secondly, Xi urged the G20 to forge strong partnership and step up macro-policy coordination.