China has cultivated black beans green inside since ancient times, and it has been planted for 5,000 years. Black soybeans has been planted all over China, and the soybean quality in Northeast China is the best. Black soybean is the most widely grown variety in soybeans and it's commonly used for making various soy products, brewing soy sauce and extracting protein. 

The only soybean from Yanzhifang that is guaranteed to be new crop (less than one year old) for best nutrition and taste.Best soybean for making tofu and soy milk.