The author states so matter-of-factly... like its just implicit that China shipped this, and Iran stored it, 14 years ago... and nothing illicit has occured during this period.
A diplomat from the European Union accredited to the IAEA said Iran had probably chosen to use the better Chinese UF6 to hasten the process so President Mahmoud Ahmadinejdad could announce to the world without delay Iran's enrichment success.
and again, as if Ahmadinejdad, by definition, is not capable of lying.