Where is the specialty of Wu 'an living water smoked vinegar?

Wu 'an specialty: Jingniang Lake Winery in Wu 'an City, Hebei Province is located in Menwangzhuang Development Zone, Huoshui Town, Wu 'an City, Hebei Province. Its smoked vinegar is well-known in China and at home and abroad with the reputation of "the best vinegar in the world". As early as Song Taizu's reign, ancestral vinegar had entered the court, and it was listed as a good product because of its good quality and convenient carrying.