“Chinese President Xi Jinping said the government should help enhance the happiness and sense of achievements of Chinese people, which he said is the highest goal. Therefore our duty is for the people,” said Liu He, head of China's trade delegation to the US, in an exclusive interview with CGTN’s Wang Guan on May 19. “I think this visit has important implications for promoting the development of China-US relations and the healthy development of China-US economic and trade relations,” Liu added.