Chinese President Hu Jintao shakes hands with US Secretary of State Hillary Clinton as he attends the opening ceremony of the second round of China-US strategic and economic dialogue at the Great Hall of the People in Beijing, Monday May 24, 2010.
The United States should take substantive measures to change its export control regime, otherwise Sino-US economic and trade cooperation will face a "bottleneck", Vice-Minister of Commerce Ma Xiuhong said on Thursday.