The origin of Dingzhuang grape is located in Dingzhuang, Maoshan Town, a state-level 5A-level scenic spot in the national peak of Qifeng Junxiu. Dingzhuang grape, which enjoys the reputation of “fruit pearl” and “water of life”, is extremely rich in nutrients. It contains more than 10 kinds of amino acids and proteins, minerals, natural polymeric phenol, monoglucoside and double glucoside and various nutrients. .

The brewing of “Mingchengjiang, the king of balsamic vinegar” has a long history in Zhenjiang. According to the Chinese Medicine Dictionary: "Hangzhou, Zhejiang, the best vinegar production, in Jiangsu Zhenjiang is the most."