Studying the parts and components of China in Asia factory,the authors we get the conclusion that China has become the production center of Asia factory,the authors analyze the import and export of parts and components between China and Asian factory main members,then measure the production dependence ratio of China and these countries and regions,and ordere these countries and regions according to the degree of importance of such places to China.This paper also studis the data among China,Asia factory and the outside market, it is concluded that among the three parties,there is a triangle trade relationship.China undertakes most of the parts and components from Asia factory,after simple processing and assembly,and exports to the world market with the unified label of Made in China.