Putting the fact that system integration itself is a difficult task aside, I believe part of the reason of buying components from European and American manufact

Putting the fact that system integration itself is a difficult task aside, I believe part of the reason of buying components from European and American manufacturers is to help pass FAA regulations. On a side note, since you posted that figure, how many components of a Boeing 787 are made by a US company[0]? =) [0]: http://www.businessinsider.com/boeing-787-dreamliner-structure-suppliers-2013-10 http://www.businessinsider.com/boeing-787-dreamliner-structu... Disclaimer: Chinese here.