Yes, Huilai mung bean cake is a specialty of longjiang town, Huilai County, Guangdong Province. It is a popular snack in Chaoshan area and has a history of hundreds of years. Huilai mung bean cake official said that mung bean cake has been added with preservatives or other food additives, so the storage time may be longer. Some mung bean cakes have no other substances added, and the shelf life is very short, only three or four days, but the shelf life of Huilai mung bean cakes is about 60 days.