If you look only at raw numbers, there are literally two candidates. But if you look at proportions, there's a different story to be told. Chile 1973-2000 comes to mind, or some colonial governments, which, like China, achieved success by replicating strategies already known to work. In fact one of the best examples pf this is Stalin's Russia, and an analysis of this general pattern is given by Paul Krugman in this 1994 article:
http://faculty.georgetown.edu/mh5/class/econ102/readings/myt...
Japan 1960-1985 is another good example.
With regard to the authoritarian structure of China, one disease that persistently affects these systems is adverse selection based on cultural evolution, i.e. the populace "learns" to get around the system and it works as long as the system is sufficiently oppressive that most people sympathize with the rule-breakers, see also the War on Drugs and de facto legalization of marijuana in some small towns. The thing about corruption in bureaucratic heir-choosing (Caesarian?) systems is that once corruption gets in there's almost no way to get it out whereas a democracy can rebel