After President Donald Trump 's recent meeting with Chinese leader Xi Jinping , there is hope for U.S. farmers that the soybean business may be on the way back.

At the China International Import Expo last week, Illinois soybean farmer Scott Gaffner said he came to Shanghai to save his China business.

"We want to make sure that our soybeans are getting exported to China because it's a very important market to us," Gaffner, who is a member of the U.S. Soybean Export Council , told CNBC.

He said the Gaffner Family Farm typically sells 40% of its annual soybean exports to China, but as he arrived in Shanghai, that number this year was zero.

As part of the trade arrangement discussed between Trump and Xi in the South Korean port city of Busan at the end of October, China lifted

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