Wannianfu brand Qianxi Gong chestnut, the raw materials of the products are made of authentic Qianxi chestnut production area, and the northern chestnut has its own certified organic chestnut base. The chestnut kernels are soft, waxy and sweet, without any preservatives, and the original taste of chestnut is preserved by using food nitrogen. 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.