Wannianfu brand Qianxi Gong chestnut, the raw materials of the products are authentic and good northern chestnut in Qianxi chestnut production area, which has its own certified organic chestnut base. The chestnut kernel is soft, waxy and sweet, without any preservatives, and uses food nitrogen to retain its taste. Freshly picked from the raw materials, carefully selected grains, and put the cold storage back into sugar. Using traditional techniques, artificial shelling retains the chestnut's own sugar content and moisture. Each link is carefully selected, and then undergoes a special process of high temperature and high pressure sterilization.