There is one above the drugstore at the intersection of Jiefang West Road and Taiping Road. A little worse than evergreen, but a little cheaper. Price 100, student card 80.
It's on the second floor of the badminton court over there in Jiatianxia Square. It is also more professional, and the price is similar to that of "Evergreen", which may be a little more expensive.
There is also a gymnasium in the city, which is about 120.