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