The use of the country's market advantages, is a lot of companies to enter the international market to take the usual practice. The same category of products, and even the same brand, in different countries, show different values. For example, Boeing is by including 15000 factories in China, including 28 countries for the production of zero, components, and finally in the United States loaded into the machine, manufactured in the United States on behalf of the exports, its worth increase. And the same is the technology of McDonnell Douglas, zero of all production in the United States, component, thus produced the McDonnell Douglas Aircraft is hard to export, the domestic civil aviation also refused to accept it. Of course, there are a lot of factors, mainly in the short term of China's origin of this difficult to change in the short term business psychology, forming a production advantage.