Du Kang Laojiao blue-and-white porcelain is a high-quality Luzhou-flavor liquor produced by Luoyang Du Kang Holding Co., Ltd ... Dukang liquor is a famous historical and cultural liquor in China with a history of 5000 years. It is named after Du Kang, the originator of brewing, and is called "Gongxian Liquor". The most famous is Cao Cao's How to Solve Worry? Only Du Kang's eternal quatrains. It has been awarded the honorary titles of "Registration of Marks of Origin", "China Time-honored Brand" and "China Well-known Trademark" by AQSIQ. This wine is made from sorghum and wheat in the unique natural geographical environment of Du Kang. It is based on the ancient method of "three steaming, three brewing, five gas and six methods" passed down from generation to generation by Du Kang for thousands of years, with single grain solid-state fermentation, cross-retort and five-retort technology, wine selection at the right time, hand-brewing, mixed steaming and mixed burning, and wine taking according to the quantity.