Chinese President Hu Jintao left Washington on Sunday for Costa Rica to continue his five-nation trip, after attending a financial summit here.
President Hu and other leaders from the Group of 20 (G20) members on Saturday attended the G20 summit on financial markets and the world economy, the first in a series intended to mitigate what economists predict could be a long and deep downturn.
Hu made a speech at the meeting to outline China's stand on how to address the global financial crisis.
At the summit, the leaders expressed their resolve to enhance cooperation and work together to restore global growth and achieve necessary reforms in the world financial systems.
The G20 groups Argentina, Australia, Brazil, Canada, China, France, Germany, India, Indonesia, Italy, Japan, Mexico, Russia, Saudi Arabia, South Africa, South Korea, Turkey, Britain, the United States and the European Union.
The heads of the International Monetary Fund, the World Bank, the United Nations and the Financial Stability Forum were also invited to the summit.
The United States was the first leg of Hu's five-nation trip. He will attend the Economic Leaders' Informal Meeting of the Asia-Pacific Economic Cooperation (APEC) forum in the Peruvian capital of Lima, and pay state visits to Costa Rica, Cuba, Peru and Greece.