Tianjin Tianli Duliu Old Vinegar Co., Ltd. is located in Duliu, an ancient town in the Tianjin suburbs. It is a time-honored Chinese brand enterprise. In 1984, the construction of the company was expanded from another place with an investment of 1.25 million yuan and an annual production capacity of 1,000 tons. After more than 20 years of hard work, it has invested 50 million yuan to carry out nine project expansions and technical transformations. On the basis of retaining the traditional flavor, it has implemented microcomputer control and Modern biofermentation technology has successfully achieved the connection between modern scientific and technological production and old national brands.

Tianli products have formed more than 100 varieties, including diversified, multi-variety, multi-series, and multi-species. There are ordinary old vinegar series, special vinegar series, beverage vinegar series, gift vinegar series, fine vinegar series, travel series vinegar series, health vinegar series, and soy sauce series. Among them, the health-care vinegar series is a health food approved by the Ministry of Health of the People's Republic of China.

Tianli Duliu Laojiu has a certain reputation across the country and even internationally, and has been well received by domestic and foreign consumers. In 2003, after the Quality Association, China Consumers Association, and Tsinghua University China Enterprise Research Center passed the national survey and evaluation, the user satisfaction of Tianli Duliu Laojiu reached 82%, the brand image reached 81%, the perceived value reached 84%, and the taste reached 83. %, color reaches 79%, packaging reaches 77%, hygiene reaches 79%, and purchase convenience reaches 94%. In 2005, it passed the national evaluation of Tianli Lao Vinegar's various indicators to reach five-star rating. The two evaluation indicators are higher than those of the rare grade, Lighthouse, Donghu, Hengshun Vinegar, Baoning Vinegar, Shuita Vinegar and Ganmen Vinegar, and are ranked first among the national condiments. It has also won the famous Chinese brand, Tianjin brand, national supply and marketing cooperative brand, national food industry brand, Tianjin famous trademark, China commercial brand, China condiment industry brand, China's most competitive brand, national inspection-free, international gold award More than 50 grand prizes were accepted. Tianli Company has successively won the Advanced Enterprise of the Ministry of Domestic Trade, Civilized Enterprise of the Ministry of Domestic Trade, Advanced Enterprise of the Chinese Condiments Industry, Excellent Enterprise of the Chinese Food Industry, Excellent Enterprise of the National Business, National Contract-abiding and Credit-oriented Enterprise, National Commercial Credit Enterprise, National Integrity and Law-abiding Enterprise, top 20 condiments in China, top 10 condiments in China, and top 10 condiments in China.

At present, Tianli Old Vinegar is well-known in the five major markets of Tianjin, Beijing, Hebei, Northeastern provinces and Shandong. In addition, it is sold to more than 20 provinces, cities and autonomous regions including the northwest and the south, and is also sold to and famous in Southeast Asian countries, the United States, New Zealand, Japan, Russia, Israel, Canada, North Korea, Australia and other countries. In order to accelerate the pace of enterprise modernization and align with international enterprise management standardization, in 2001, it passed the ISO9001 quality management system certification, HACCP quality and safety assurance system certification, GMP good hygiene standards, and national AA-level standardized management. Today, Liduliu Lao Vinegar is not only a famous Chinese brand, but also a high-quality brand in the minds of consumers.