Duck oil, star anise 2, Flos Magnoliae 1.3, white button 1.5, Rhizoma Kaempferiae 0.3 and other seasoning materials. China Quanjude (Group) Co., Ltd. is a large-scale catering group focusing on Chinese dinner, and also the most representative enterprise in the development of Chinese catering. Quanjude's duck oil bag consists of duck oil, star anise 2, magnolia flower 1.3, white button 1.5, kaempferol 0.3 and other seasoning materials. Duck oil bag is a kind of steamed stuffed bun, and the stuffing inside is similar to that of ordinary steamed stuffed bun.