I just googled a bit. What was meant as a joke, probably is no joke.
http://defensetech.org/2012/05/30/sm...-are-infected/
http://www.wnd.com/2012/06/u-s-missi...chinese-fakes/
http://www.taipeitimes.com/News/fron.../29/2003533982
Well - serves you right, America. To buy weapons and/or vital key technology components from if not an enemy than at least an archrival maybe is not the most clever thing to do.