1, the original wine just brewed contains rich trace substances, which constitute the flavor and flavor of liquor.

2. In the process of blending wine body, some wines will have some impurities and abnormal colors due to storage and other reasons, so it is necessary to add activated carbon adsorbent for adsorption treatment. In addition, there are dust on the road, unclean wine conveying pipes, unclean wine storage containers, dust residue in wine storage or poor sanitation in wine storage, which cause wine quality problems.