Kaoliang, Gaoliangjiu or sorghum wine is a strong distilled liquor of Chinese origin made from fermented sorghum. It is a type of unflavoured baijiu. The liquor originates from Dazhigu (大直沽, located east of Tianjin), first appearing in the Ming Dynasty. It is now primarily made and sold in mainland China and ****** and also popular in Korea, where it is called goryangju (hangul: 고량주; hanja: 高粱酒) or bbaegal (which is originated from Chinese character 白干). Kaoliang is an important product of the islands Kinmen and Matsu which are part of ******. Kaoliang ranges between 38 and 63 percent alcohol by volume.