Taxi's were Ok in Nanjing
Taxis were very reasonable in Nanjing. All of them used a meter and we never felt that we were overcharged.
The meter started on 8 Yuan and after some time clocked more. Some examples: 24 Yuan from hotel to Sun Yat Sen’s Memorial, Wende Bridge to hotel 10 Yuan.

White marble statue of Sun Yat Sen
Memorial to the Nanjing Massacre
Wai River at Fuzimiao