In China, in every administration unit (province, county, village) or organization (company, school), there is a position called party secretary.
For example, in every province, there is a province party secretary (省委书记). In every city, there is a city party secretary (市委书记). In every company or school, there is a party secretary (党委书记). What are the responsibilities of these party secretaries?
Also what are the differences in responsibilities between mayor (市长) and city party secretary(市委书记) or between governor (省长) and province party secretary (省委书记)?
What are the responsibilities of the party secretary?