Dongning black fungus, special product of Dongning City, Mudanjiang City, Heilongjiang Province. Dongning black fungus is not only delicate, tender and delicious, but also rich in nutrients. It also has the effect of nourishing moisturizing, nourishing and nourishing the stomach, and resisting degeneracy. It can improve the body's immunity. It is a long-term illness, weak waist, weak legs and limb numbness. Anemia, hypertension, coronary heart disease, ideal for rehabilitation of cerebral thrombosis patients. Due to its unique growth environment, Dongning Black Fungus is rich in gum, and has the characteristics of delicate meat, crisp and delicious, which is widely loved and welcomed by consumers at home and abroad.