It's pure grain shochu. According to the information on the Internet, sweet potato roasted coarse grain wine is brewed by Shandong Sanduo Liquor Co., Ltd., with dry sweet potato as the main raw material and using traditional technology to brew white wine. Sweet potato wine is a kind of Luzhou-flavor sweet potato wine, which has two alcohol degrees of 42 degrees and 52 degrees. Sweet potato liquor has the characteristics of obvious aroma, mellow body, soft sweetness and long aftertaste. Tastes like a clear spring, moistens the throat and tastes sweet.