Cheap Square Roast Duck Restaurant is a famous "time-honored Chinese restaurant" in Beijing. It was founded in the 14th year of Yongle in Ming Dynasty (A.D. 14 16) and has a history of 600 years. In 200 1 year, it passed the ISO900 1 international quality system certification, and now it is a national super restaurant. The name "Cheap Square" contains the business philosophy of "convenient for people and suitable for IKEA", and has formed the characteristics of dishes based on braised roast duck and Shandong cuisine. Roast duck is crispy outside and tender inside, delicious and enjoys a high reputation. Because there is no open flame in the roasting process of braised roast duck, it is called "green roast duck" by modern people.