Acorn is the fruit of oak. It is rich in starch and protein. Some of the fat content is higher than other cereals. So far, it was often used as food in ancient times, such as tofu and acorn noodles。

Acorn is the fruit of oak tree, which looks like a cocoon, so it is also called chestnut cocoon. Acorn has a hard shell, brownish red, and its kernel is like peanut kernel. It is rich in starch( content 60%) . Acorn is processed into starch.Its taste and nutritional value are much higher than ordinary starch. It has the reputation of pure "vegetarian game". Acorn also has unique biological functional factors, which can effectively resist, alleviate and prevent the damage of heavy metals such as lead to the human body, improve human immunity, and effectively promote children's intellectual development. Acorn starch can be made into health food. It has significant effects on improving people's quality of life, reducing high pressure, reducing human cholesterol and skin, and has proved that it has obvious therapeutic effect on diabetes. It is a popular health food in recent years.Acorn has its own biological functional factors, which can resist, alleviate and prevent the toxicity of heavy metals such as lead to the human body. Therefore, eating acorn seed nutrition and health care series foods can protect the physical and mental health of the human body, improve the immunity of the human body and improve the intelligence and development level of children. Acorn can be used as medicine to treat diarrhea, enhance human immune function, promote growth and development, cell metabolism, bone collateral growth, enhance physiological function and prevent anemia. 

Acorns generally grow on the mountains and steep cliffs. Every autumn, the wild animals on the mountains gather under the oak trees to have a full meal and prepare for hibernation. In ancient times, when there was a shortage of food, people used the tradition of acorn wine making. Acorn wine yield was low, picking was difficult, and brewing technology was cumbersome. With the increase of grain, it is gradually completely replaced by grain.

Keysun imported Kumgang Mountain Acorn Wine from North Korea and has been insisting on the manual brewing technology, and has maximized the effective substances of acorn with their unique technology to brew such a pure Kumgang Mountain Acorn Wine. The acorn wine does not need any additives, and uses acorn as the only raw material. Acorn wine is not grain wine, but its natural taste, Natural oak fruit fragrance is a pure wine without addition.