Trump has also threatened to impose new tariffs on all 5 billion worth of Chinese exports to the US.
Trump made campaign stops in North Carolina, Pennsylvania, Michigan and Wisconsin on Monday, while Biden traveled to Ohio during the day and Pennsylvania.
Trump described the initiative as a "good idea" in his message to Putin, Sullivan said.
Tu Xinquan, director of the China Institute for WTO Studies at the University of International Business and Economics in Beijing, said the domestic market was even more important for China now because the COVID-19 pandemic was hitting international trade hard.
Tseng called the commitment to the 1992 Consensus and opposition to "Taiwan independence" the cornerstones of the relationship. The 1992 Consensus refers to an agreement the two sides reached in 1992 embodying the one-China principle.
Trump said he is looking at steps he can take with executive orders on issues like stopping evictions from federally backed housing if a deal can't be reached soon with Democrats in Congress.
长寿孕妇5个月孕检
Trump's remarks came after a report of The New York Times on Tuesday saying that Trump is expected to nominate Sullivan to be the next ambassador, citing an anonymous senior administration official.
Trump's diagnosis is likely to reinforce Biden's message about the president's failed response to the disease, which has killed more than 207,000 people in the United States, and undermine Trump's argument that the end of the pandemic is in sight. Opinion polls show voters trust Biden more than Trump to handle the pandemic.
Tu Jiangping, a professor of materials science and engineering of Zhejiang University, has been busy commuting between Zaozhuang, Shandong province, and Suzhou, Jiangsu province, to work on his project-a nonliquid lithium battery-which will soon undergo testing in Zaozhuang.
Trump and Japanese Prime Minister Shinzo Abe are slated to play golf Sunday afternoon at a country club outside Tokyo before having dinner together.