Do I need an invoice to buy Moutai?

Hello! I'm glad to serve you. You need a receipt. Maotai, a specialty of Maotai Town, renhuai city, Zunyi City, Guizhou Province, is a symbolic product of chinese national geography. It, together with Scotch whisky and French cognac, is one of the three largest distilled spirits in the world and the originator of Daqu Maotai-flavor liquor, with a history of more than 800 years.