What restaurants (not western) would you recommend in the financial district area in Beijing?

As I know, just in the hotel you live, there are many kinds of food provided, maybe you can have a try.
If you want have your meals outside, here are some restaurants near the hotel for your reference.
Suiyuan Chinese Restaurant, located at No. 168 Guang’anmen Outer Street.
Huohua Jiulou, located at No. 5 Building, Hengchang Huayuan, Guang’anmen Outer Street.
Bulaoxi Guizhou Cuisine, located at Guang’anmen Outer Street.