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.

U.S. and Chinese officials began a second day of talks in Stockholm on Tuesday to resolve longstanding economic disputes and step back from an escalating trade war between the world's two biggest economies.

China and the United States agreed to extend their pause on tariff increases aimed at each other's imports, following two days of talks in Stockholm that marked a third round of high-level trade negotiations between the world's two largest economies.