China has been reluctant to commit to the farm purchases Trump touted

The White House said in mid-October that China would buy as much as $50 billion worth of US farm products.
But that has not yet been confirmed by the second-largest economy. 
That quota would amount to more than double the amount China imported in 2017.
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More than a month after President Donald Trump announced an interim trade agreement with China, the agricultural terms he touted have not yet been confirmed.
The White House said in mid-O