Nuclear disarmament will be discussed at Trump's meeting with Putin and Xi.
"He will discuss the reduction of nuclear weapons around the world, which President Trump believes his own proliferation is very dangerous," White House spokeswoman Olivia Wales said.
The US, Russia and China together possess the largest nuclear arsenal in the world. The New START Treaty, the last remaining bilateral nuclear arms control agreement between Washington and Moscow, expired earlier this year.
The leaders of the US, Russia and China are expected to meet on the sidelines of the APEC summit in Shenzhen this Thursday, November 19.