Where most analysts agree is that China does not have the infrastructure to have a UAV reach outside of Chinese airspace and even within Chinese borders the signals are unreliable.

Maybe some of the radio/satellite link equipment, as well as  internal memories, circuitry, lenses,  and sensors contained in the RQ-170 Sentinel captured by Iran could be somehow helpful cause they can be evaluated, tested and copied. And, maybe, improved.

Beside the story in the title, the post offers a good overview of the state of art unmanned aircrafts in China.