HANOI, June 19 (Xinhua) -- Vietnam will sign some important economic and commercial agreements with the United States during Vietnamese Prime Minister Nguyen Tan Dung's visit to Washington on June 23-26, a U.S. diplomat said here Thursday.

    The two countries will sign or start negotiations on agreements aiming at improving Vietnam's investment climate and ensuring their trade balance, said Michael Michalak, U.S. Ambassador to Vietnam.

    The two countries will discuss ways to improve Vietnam's investment environment, and facilitate flows of Vietnamese products to the U.S. market, he said, stating that the two-way trade would be at least 12 billion U.S. dollars this year.

    During the visit, Dung will have official meetings with the U.S. president, the national security advisor, and cabinet members to discuss bilateral and international issues of common concern, including economic, trade, investment and education cooperation, nuclear power safety, global warming, sea level rising, human rights, the United Nations Security Council, and regional security and prosperity, he said.

    The Vietnamese prime minister will also have sideline meetings with U.S. economists, including Alan Greenspan, former chairman of the Board of Governors of the Federal Reserve of the United States, to seek advice on economic, realty and financial issues, said the ambassador.