Dadong focuses on business banquets, while Xiaodong focuses on mass consumption. Beijing Xiaodadong and Dadong are both under the same group. Xiaodadong (Beijing) Catering Management Co., Ltd. was established on May 20 14 13. The company's business scope includes catering service, food sales and catering management.

Beijing Dadong Roast Duck Restaurant (formerly Beijing Roast Duck Restaurant) was established on1April 28th, 985. In 200 1 year, it was restructured by the state, and the general manager Dong Zhenxiang was nicknamed Da Dong by friends, hence the name. Dadong Roast Duck Restaurant, which has always been positioned as a high-end restaurant, is also one of the main places for foreign guests to taste roast duck.

Xiao Dadong (Beijing) Catering Management Co., Ltd. was established on May 20 14 13. The legal representative is Dong Zhenxiang, and the company's business scope includes: catering service (including cold dishes, cake decoration and raw aquatic products) (the catering service license is valid until July 20 17 13); Selling food; Catering management, etc.