(CNN) The Chinese government is ramping up efforts to apply pressure on the United States beyond imposing punitive economic measures as trade negotiations between the two countries remain deadlocked.

Beijing has advised its citizens in recent days not to visit or study in the United States, potentially hitting universities and tourist destinations, and it admonished remarks this week by Secretary of State Mike Pompeo commemorating the 30th anniversary of the Tiananmen Square massacre

The blows to diplomatic relations between the two countries follow the collapse of trade talks last month. Trade negotiations have been indefinitely suspended since President Donald Trump escalated tariffs on all Chinese imports over Beijing's failure to keep previously held commitments as part of a trade deal. China has responded with its own set of penalties on US goods, which went into effect last week.

The first litmus test of whether the two countries can resume talks will come this weekend, when Treasury Secretary Steven Mnuchin heads to the Group of 20 economic summit in Japan. So far, the Trump administration has been reluctant to commit to whether Mnuchin will meet with his Chinese counterpart, Vice Premier Liu He, on the sidelines of the summit.

"We anticipate we will see the Chinese delegation, but we have nothing to confirm at this time," a senior Treasury official told reporters this week.

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