This year's festival focuses on youth entrepreneurship and cross-Straits youth exchange and cooperation, it said in a statement.
This year's fair has attracted more than 1,300 companies, including nearly 500 foreign companies from 31 countries and regions.
This was expanded to 47 cities, including Tianjin, Chongqing and Nanjing, Jiangsu province, over the following three years.
This was the second time Biden, 77, had voiced concerns over a possible rescheduling of the convention. He said in an interview with MSNBC on Tuesday that "it's hard to envision" the convention taking place as planned, adding that "the fact is it may have to be different."
This was the first time that the mirror was exhibited since Chinese archeologists unearthed it from the Marquis of the Haihun tomb dating back to the Western Han Dynasty (206 BC-24 AD) in 2015.
Those sectors are rapidly becoming strong drivers of China's economic transition.
广州怀孕几天能测出来用试纸
This year's co-occurrence of rises in risky and safe-haven assets indicates that market sentiment is at a fragile tipping point where investors remain hopeful that central banks will come to the aid of the global economy yet cautious of ongoing uncertainties around the world.
This year, designs for beautiful villages, buildings and landscapes will be made, he said.
Those with children now enrolled in preschools not authorized by local governments can apply for monthly subsidies up to 37,000 yen (3) per child aged from three to five, and 0 for children aged two years and younger.
This year marks the 40th anniversary of the China-Germany Intergovernmental Agreement on Science and Technology Cooperation, a key deal that has boosted cooperation between the two sides.