Yes. The trademark 20 can be used as a trademark for liquor. 20 means 20 years, but it needs a formal trademark agency to handle it on your behalf. Liquor (foreign name: Liquor and Spirits) is a distilled liquor made from grains as the main raw material, Daqu, Xiaoqu or bran koji and distiller's yeast as saccharification fermentation agents, followed by cooking, saccharification, fermentation and distillation.