No one can estimate this probability problem. Maybe once a year, maybe several times a month.
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. On February 14, 2003, the former General Administration of Quality Supervision, Inspection and Quarantine approved the protection of Moutai products in the original producing areas.