Beijing's top trade official says China and the United States have agreed to work on extending a deadline for new tariffs on each other after two days of trade talks in Stockholm.

US and Chinese officials resumed critical trade talks in Stockholm on Tuesday, aiming to de-escalate a mounting economic standoff.

US and Chinese officials finished two days of talks in Stockholm on Tuesday that were aimed at tackling longstanding economic disputes and stepping back from an escalating trade war between the world's two biggest economies.