Kouzijiao wine is a protected geographical indication product.

Produced in Suixi County, Huaibei City, it is a strong-flavor liquor. Kouzi wine brewing has a long history. It is said that during the Warring States Period, the Song Dynasty moved its capital to Xiangshan and brewed large quantities of it. Kouzi Liquor has lasted for thousands of years and is known as "famous three thousand miles north of Hebei and the first in the south of the Yangtze River". The reputation of Kouzi Liquor is that it has a sweet taste in mouth and makes you feel happy after drinking. It is known as "thousands of drunken families next door, and the fragrance spreads ten miles in the altar". Kouzi Liquor is made of high-quality sorghum, wheat, barley and peas. It is brewed with modern technology on the basis of traditional craftsmanship, aged for a long time, and carefully blended. It is known as a treasure among wines. Visually, Kouzi Liquor has the characteristics of "amber color" and "drinking is not clean". In terms of smell, Kouzijiu has the characteristics of "flavor through the bottle" and "fragrance that lasts for a long time". In terms of taste, Kouzijiu has the characteristics of "double aroma" and "smooth mouthfeel". Functionally, Kouzijiu has the characteristics of "enriching spiritual energy" and "clearing spirit energy". In 1959, on the occasion of the tenth anniversary of the founding of the People's Republic of China, Kouzi Liquor was listed as a state banquet wine and presented to the King of Yemen as a gift. In 1979, it was rated as a national high-quality wine at the third wine appraisal meeting. In 1984, it won the Gold Cup Award of the Ministry of Light Industry. In 1988, it won the gold medal at the first Food Expo and the quality award at the fifth wine appraisal meeting. In 1991, it won the gold medal at the Second Beijing International Expo. In 1992 It won the special gold medal at the Paris International Famous Wine Exhibition and the gold medal at the Bangkok International Famous Wine Expo. The company's leading product, Kouzi Brand Kouzijiao Liquor, won the second prize of the Provincial Science and Technology Progress Award in 2000. In 2002, it won the title of "National Product Protection Product of Origin Region"; in 2003, it won the title of "Golden Cup Award for Typical Style of Chinese Liquor"; in 2005, It also won the titles of "China's Famous Trademark" and "The First Batch of Three-Green Project Best-Selling Brands". It was designated as an honorary product by the first China Liquor Science and Technology Conference in 2004. Kouzi Enterprise has also been rated as the provincial advanced enterprise, China's 500 largest industrial enterprises, and the country's 5,000 direct reporting enterprises. Since 2003, the company has successively passed quality management system certification, quality and environmental compatibility management system certification and HACCP (food safety and hygiene system certification). Its ranking in the national liquor industry also quickly climbed from 34th in 2000 to 12th in 2003, and it was rated as one of the top ten enterprises with the best economic returns in the Chinese liquor industry in 2003. In May 2006, Kouzijiao Liquor successfully passed the "Pure Grain Solid State Fermentation Liquor Mark" certification by the Liquor Professional Committee of the China Food Industry Association. This certification is called a high-end liquor ID card by industry insiders. In 2006, the company entered the first batch of Chinese time-honored enterprises in the country.