In recent years, the "Daily Nuts” snack category, marketed using the concept of “one package a day, as part of a healthy lifestyle," has performed extremely well. It is a new snack food concept that combines mixed nuts with preserved fruits into one small package (trail mix). In 2015, the Chinese food company Wolong took the lead in launching this new category. The brand experienced explosive growth, with an annual increase of 500% . The popularity of “Daily Nuts" has attracted many enterprises. At present, more than 100 manufacturers now market "Daily Nuts" products .