What are the unknown small restaurants near Wangjing, Beijing?

There is a very good restaurant in Wangjing, Beijing, the Royal Duck Griddle? Hot pot (Wangjing International Business Center), this duck god griddle? Hot pot, it is said that top student of Peking University spent two years visiting all the food experts and directors in Sichuan, and in order to restore the local spicy taste, this duck king god only used local spices in Sichuan, which is so capricious, really! Duck feet and wings need to be marinated with more than 30 seasonings in advance, with duck feet for 8 hours and duck wings for 2 hours. Before it was used that day, it is now fished out of the curing tank. Saute the marinated duck feet and wings in secret red oil, and it will be cooked in 2-3 minutes.