Chen Changyin, a local traditional food brand in Chongqing with the honor of "Chongqing time-honored brand" and "Chongqing intangible cultural heritage", has won many honors, such as "well-off construction award of the people's Republic of China", "famous and high-quality specialty products of Chongqing", "national industry quality and integrity demonstration enterprise", "Chinese famous snack" and so on. The traditional Mahua formula is featured by exquisite materials, fine workmanship, constant innovation, fragrance, crispness and crispness.