Henry Paulson,Treasury Secretary, left Shanghai yesterday,where he made an end of the visit to the three countries in Asia. As the chief economic policy consultant and economic affairs spokesman of the America president,Paulson delivered a keynote address in Shanghai Futures Exchange. And the address was viewed as the latest exposition of the economic policies of the Bush-administration towards China. During the speech,Paulson repeatedly emphasized that China's economic growth has benefit but no threat to the global economic growth. He declared that America welcomes the development of China to become a member of the global economy.