Hi every one! I wish to know which of the Tehran metro cars was maked by the chinese company CITIC, because Argentina may buy some new cars to this company for the buenos aires underground metro(subte), and I want to see some pics of this metro cars, and when they were builded?

Thanks :)

http://www.tehranmetro.com/about/gallery/files/a812train13.gif
http://www.tehranmetro.com/about/gallery/files/a811train11.gif
http://www.tehranmetro.com/about/gallery/files/a812train12.gif
Here are the most recent train type on the inner metro lines. Im pretty sure they are CITIC ones.

thanks for the pics!!! :) and info