The AES-10B is wholly made in Romania. It is an almost direct copy of the current issue RPK.
The US parts in it are trigger, hammer, disconnector, pistol grip and gas piston (and muzzle device, if it has one).
Chrome lined original Romanian barrel ( new ).
It was my understanding that the 10B's had stainless Green Mountain barrels, not chrome lined Romanian barrels due to the import ban.