Jinquan Square store. Cheap Square Jinquan Square store has a lot of traffic, because the location of the catering store basically determines the business of a catering store good or bad, some good location for opening a catering store is favorable, Cheap Square Roasted Duck Shop is Beijing's famous "Chinese old-fashioned" restaurant, the business was founded in the Ming Dynasty Yongle fourteen years (1416 AD), so far has a history of 602 years. 602 years of history.