Trump also wrote that negotiations will "start now!" on an immigration measure that he and Democrats have been battling over for months.
Trump on Saturday urged Republicans in a tweet to confirm his nomination "without delay," later telling reporters that he will "most likely" announce a female nominee "next week."
Trong, for his part, said he is glad to talk with Xi over phone ahead of the Spring Festival and the 70th anniversary of China-Vietnam diplomatic ties.
Trump slams 'witch hunt', 'hoax' as battle lines with Democrats harden
Trump also expressed appreciation to Xi and his wife Peng Liyuan for the tour given to the visiting couple Wednesday of "the very majestic Forbidden City".
Trump mentioned New York, Chicago, Philadelphia, Detroit, Baltimore and Oakland as possible destinations for federal forces, adding that the cities' mayors are "liberal Democrats".
企业排名优化
Trump, believing workers should keep more of the money they earn, wants to cut the payroll tax, a measure opposed by Democrats.
Trump shocked many inside and outside his administration on Thursday when he told Republic of Korea officials who had just returned from talks in the DPRK that he would be willing to accept Kim's meeting invitation.
Trump escalated trade tensions between the world's top two economies on Aug 1 by threatening to double tariffs on Chinese goods, following hefty duties on Chinese imports in June and some more in a few weeks.
Trump has repeatedly lashed out at the Federal Reserve (Fed), scolding it for not having cut the benchmark interest rate enough, while expressing the frustration that a strong dollar leaves the US economy in a disadvantageous position vis-a-vis other economies in the world.