Nanjing authorities have investigated 613 cases, from January to November, and given administrative and Party punishment to 608 officials, including the government's former deputy secretary-general.
The city's officials have handed over bribes and gifts worth 17.2 million yuan ($2.83 million) this year, the city's disciplinary inspection authority said.
Expenditure on public cars has decreased by 25 percent, and reception expenses have fallen by 35 percent.