Nanjing has reduced the number of deputy mayors from 12 to eight following the city's 15th congress to improve the efficiency of the local government's work.

The newly elected mayors are mainly in their 50s, and among them four have doctorates. Each of the former 12 mayors was in charge of seven to eight fields, according to the government.

Ji Jianye, the mayor of Nanjing, said the new government will work on issues that have drawn much public attention, including the reconstruction of old buildings, improvement of public transportation, and opening more parks.