Speaking to reporters en route to Japan, Pompeo said the plan was to "develop options for both location and timing" for a second summit, although he doubted they would "get it nailed" down mostly due to scheduling and logistics issues.
Wang, also a state councillor, accused Washington of escalating the trade conflict, interfering with Taiwan, and levelling false accusations about China's domestic and foreign policies, according to a readout posted on China's foreign ministry website.
Stressing that these moves have directly impacted on the mutual trust and cast shadows on the prospects of China-U.S. relations, Wang urged the United States to stop making negative remarks immediately. "Progress made on Singapore Summit Agreements!" He accused Chinese Student and Scholar Associations of being part of the Communist Party effort to foster a culture of censorship, and accused China of - among other things - military aggression in the South China Sea and interference in the USA midterm elections. Washington and Beijing "should and must make the correct choices", Yang said.
Those developments came as the countries have raised tariffs on tens of billions of dollars of each other's goods in a dispute over US complaints that Beijing steals or pressures companies to hand over technology. "At the same time, China also resolutely protects its sovereignty, security and development interest", he said.
The South Koreans said the US and North Korea discussed establishing formal negotiating groups to set a "denuclearization process" and work out a time and location for a follow-up meeting to the first Trump-Kim summit in June.
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Trump on Friday ordered a one-week probe by the Federal Bureau of Investigation (FBI) into the allegations against the judge. Kavanaugh has strongly rejected the allegations, giving fiery testimony during a Senate hearing last week.
United States Secretary of State Mike Pompeo on Monday said that North Korean leader Kim Jong-un has agreed to give worldwide inspectors access to the country's nuclear and missile testing sites, reported Reuters.
A senior U.S. State Department official said the United States still expected cooperation with Beijing on efforts to denuclearise North Korea, whose chief ally is China.
Chinese Foreign Minister Wang Yi shake hands with Secretary of State Mike Pompeo before a meeting in Beijing on Monday.
The US diplomat also met with Xi during a similar trip to the region in June.
The trade war between China and the U.S. is however being seen as a barrier to co-operation in the North Korean crisis.
Ties between the world's two biggest powers have experienced a sharp downturn in recent months, raising concerns that their trade war could spill over into other areas. "But if you look at the approach, we are in lockstep with each of those two countries in terms of how we approach achieving the results that everyone is aimed at".