Thanks to a source who wishes to remain anonymous, I read Chinese spy mania sweeps the world, an article not from a Western publication. Rather, it's from Voice of Russia. Does any of this sound familiar?
[T]his is the most powerful secret service based on the principle of attracting all ethnic Chinese, wherever they may live. An adherent of the “total espionage” strategy, Beijing even encourages emigration in the hope that its citizens will remain loyal to and useful for their historical homeland after moving to another country...
"The history of China’s espionage activities on Russian armaments is not only limited to one precedent or one type of weapons. One of the top Chinese priorities is to produce complete replicas of Russia’s best machines and weapons, from the Sukhoi Su-33 fighter jet to missiles, aircraft carriers and so on.
This is a truly purpose-oriented strategy of a large country - snatch anything you can and reproduce it domestically," ["IT expert"] Andrei Masalovich points out.
Cynics will point out that perhaps this article is trying to deflect attention from Russia's own espionage activities. However, you can't deny that even the Russians have issues with Chinese operations.
For an example of the sorts of problems Russia is having, see this ABC News story China Still Spies the Old Fashioned Way, Russia Says:
Russia's secretive spy agency, the Federal Security Service (FSB), issued a rare statement Wednesday claiming the state had arrested a Chinese citizen who, posing as a translator for official delegations, was working under the direction of the Chinese government in an attempt to buy state secrets from Russians about Russia's S-300 missile system.