BEIJING- China welcoms signs that Washington may relax controls on high-tech exports to China, Chinese Commerce Minister Chen Deming said on Monday, as the United States and China held talks in Beijing. Chen told a news conference that relaxing the controls would help balance the bilateral trade. Chen added that he hoped the reforms would be real and not "lots of thunder with no rain." The United States and China, the world's largest and third-biggest economies, held their second Strategic and Economic Dialogue in Beijing, discussing key issues such as yuan reforms, Europe's debt crisis and North Korea.