There are many buffet restaurants in Ningbo, and the following are some popular ones:

1. The cafeteria of Howard Johnson Overseas Chinese Hotel Ningbo: located at No.1 Shuguang Road, Yinzhou District, Ningbo City, provides all kinds of seafood, barbecue, Chinese and Western cuisines, with elegant environment, rich dishes and relatively affordable prices.

2. Haoshihui Buffet: Located at No.22, Zhongshan East Road, Haishu District, Ningbo, it provides all kinds of seafood, barbecue, Chinese food and western food, with clean and tidy environment, fresh dishes and good taste.

3. Kaizhou Hotel Buffet: Located at No.1 Kaizhou Avenue, Yinzhou District, Ningbo City, it provides all kinds of seafood, barbecue, Chinese and Western cuisines with beautiful environment, diverse dishes and relatively affordable prices.

4. Shangri-La Hotel Buffet: Located at No.38, Zhenming Road, Haishu District, Ningbo, it provides all kinds of seafood, barbecue, Chinese and western food, with elegant environment, rich dishes and good taste.

5. Ningbo Nanyuan Hotel Buffet: Located at No.2 Nanyuan Street, Haishu District, Ningbo City, it provides all kinds of seafood, barbecue, Chinese and Western cuisines, with clean and tidy environment, fresh dishes and good taste.

The above are some popular buffet restaurants in Ningbo. You can choose according to your own taste and budget.