In September 1972, Japanese Prime Minister Tanaka Kakuei visited China and said at the banquet: "The only good wine in the world is Dukang" and hoped to drink Dukang wine. Premier Zhou Enlai immediately replied that he would fulfill the Prime Minister's wish. Following the instructions of Premier Zhou, Yichuan Dukang Winery gave Dukang Wine to Prime Minister Tanaka. Since then, Yichuan Dukang Wine has entered the international market. Ouyang Rushui, a Japanese Chinese, praised: "Dukang has been the only good wine since ancient times, and a drink from Henan is fragrant in the eighth year."

On December 15, 1981, the People's Republic of China and the State Administration for Industry and Commerce trademarked Yichuan Dukang Liquor has been officially approved and the registered trademark is "Dukang Brand", and the registration certificate number is "152368". Yichuan Dukang Distillery enjoys the exclusive right to the "Dukang Brand" trademark. In 1997, it won the first "China Famous Trademark" nomination award. In 1992, 1997 and 2001, it won the title of "Famous Trademark" in Henan Province three times. In April 2002, the State General Administration of Quality Supervision, Inspection and Quarantine confirmed that the origin of the "Dukang brand" series of wines was Yichuan, and officially issued the "Dukang wine" origin mark registration certificate, certificate number: 0000038. "Authentic Dukang, rooted in Yichuan" has been confirmed.

Dukang liquor is a strong-flavor koji liquor. It is brewed with high-quality sorghum and wheat as raw materials, using high-quality natural spring water with pure texture, clear and sweet taste, and using a combination of traditional craftsmanship and modern scientific and technological means. It has the unique flavor of "clear and transparent, soft and aromatic, mellow and sweet, and long aftertaste".