Supangzi Mung Bean Cake is headquartered in Langfang City, Hebei Province, and belongs to Langfang Supangzi Mung Bean Cake Catering Management Co., Ltd., which is a popular chain snack brand in Beijing, Tianjin, Cangzhou and Langfang.

Crispy fat mung bean cake is characterized by old-fashioned cakes, mainly mung bean cakes.