In a letter to Trump, Schumer urged the president to use his authority through the Committee on Foreign Investment in the United States, or CFIUS, to exert economic pressure on Beijing.
Trump's public statements about China's role in dealing with North Korea has run the gamut, from praise for Chinese President Xi Jinping to contempt.
The top Democrat in the Senate on Tuesday called on President Donald Trump to block Chinese investments in the United States in an effort to pressure China "to help rein in North Korea's threatening and destabilizing behavior".
"Our foolish past leaders have allowed them to make hundreds of billions of dollars a year in trade, yet... they do nothing for us with North Korea".
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At least one prominent Republican, Senator John Cornyn, who is on the Senate Intelligence Committee, urged in June that CFIUS change how it does business because of China.
In an interview with Reuters Friday, the top usa counter-intelligence official suggested the Trump administration was already working on a plan to toughen CFIUS. Washington has normally requested an emergency UN Security Council meeting following Pyongyang's nuclear and missile tests, but it appears to be taking a different course of action as USA ambassador to the UN Nikki Haley says Washington will not be requesting an emergency meeting of the council this time around.
"It is still very hard, but in a positive way I would say that the United States despite the rhetoric is still looking for a political solution, it's not ready to go and use military means", Sisci said.
In a harsh criticism of the US, China's Permanent Representative Liu Jieyi told the reporters here on Monday that Washington has failed in its obligations to implement the Security Council resolutions on North Korea because it has moved to impose an "economic blockade, took actions and used language" that escalate tension.
"I am very disappointed in China", Mr. Trump declared on Twitter on Sunday, after North Korea tested an intercontinental ballistic missile in defiance of United Nations sanctions. Suspending Chinese firms' ability to acquire companies in the US would be one such action.