Vietnam in 2001 to become the main rely on the export trade, chongqing chongqing export HM index as high as 36.10%, to its dependence on times to Indonesia, the Philippines, India, HM index reached 3.81%, 1.94% and 1.42% respectively, far lower than Vietnam, and for the rest of world HM index under 1%, formed the "Vietnam" as the main rely on the export trade patterns.