Việt Thành is a Vietnamese food company based in Hanoi specializing in the production of fermented food products and beverages. The company was established in 1995, while its tradition of producing rice vinegar under the Thanh Mai brand dates back to 1988. Its operations are based on the application of traditional biotechnological fermentation methods in food production. The company’s best-known product is Thanh Mai rice vinegar, while its portfolio also includes Kinh Đô wine. Aromatic tám rice grown in the Điện Biên region is used as the main raw material for its rice vinegar. The company works with local farmers to ensure a stable supply of rice of suitable quality. The rice is processed through biological fermentation, during which the characteristic acidity and aroma of the vinegar develop naturally. The production process includes raw material preparation, fermentation, processing, and bottling of the finished vinegar in different packaging formats. The Thanh Mai brand is registered as a protected trademark of Việt Thành.