Conversation so far:
when did Xi Jinping join the politburo standing committee?
in October 2007.
what was Xi Jinping role in the politburo standing committee?
Xi Jinping is the general secretary.
what were Xi Jinping's contributions as general secretary of the politburo standing comittee?
Xi Jinping vowed to crack down on corruption.
was Xi Jinping succesful in his nationwide anti-corruption campaign?
Within the first two years of the campaign alone, over 200,000 low-ranking officials received warnings, fines, and demotions.

Question: did he have other contributions?
Self-contained rewrite: did Xi Jinping have other contributions besides his succesful anti-corruption campaign?