I suggest you do the gym on the mountain again and again in your own way when I do it in summer.

The gym on Huang Wei Road.

I went there to exercise in the summer vacation.

Your address and telephone number:

Tianjin bailaishi fitness center

Tel: 022 26353633 26238976

Address: Huang Wei Road, Hebei District, Tianjin

There is a holiday inn. But I haven't been there yet, so it shouldn't be cheap:

Tianjin Holiday Inn Fitness Center

Tel: 022-26288888

Address: No.288 Zhongshan Road, Tianjin