Brewing wine brewing techniques (Haimen Yisheng wine brewing techniques) expansion Yisheng wine is produced in the "Yisheng Brewing Factory" founded in 1894 by Mr. Zhang Jian, the top scholar in the late Qing Dynasty and a famous industrialist. In the early days of its establishment, domestic brewing masters were hired to teach technology. After years of practice and innovation, a complete set of unique and complete folk brewing techniques were summarized. In 1906, Yisheng wine participated in the Italian World Expo and won the gold medal. This wine is the first international gold medal won by Chinese wine since the establishment of the World Expo. The Yisheng health wine series combines more than a hundred years of brewing experience, with sorghum, rice, wheat, glutinous rice, and corn as raw materials, supplemented with medium and high temperature Daqu, and adopts a variety of new brewing techniques. After long-term fermentation, it is naturally aged for 3 years, and uses Yisheng's traditional secret recipe to extract the essence of many medicinal materials such as Artemisia capillaris, saffron, and Buddha's hand, and is carefully brewed and blended. The wine has a sweet, soft, fragrant taste and good health care effects.