Yan Wal Yun is one of Thailand's oldest and most influential condiment manufacturers, founded in 1947 in Bangkok by the Tangsombatvisit family. The company is best known for its flagship Healthy Boy Brand (Dek Som Boon), which has become synonymous with soy sauce and seasoning products in Thailand. Originally established as a soy sauce producer, Yan Wal Yun has expanded its portfolio to include oyster sauce, fish sauce, chili sauce, soybean paste, cooking sauces, and a wide range of Asian condiments. The company pioneered industrial soy sauce production in Thailand and was the first manufacturer in the country to receive the Thai Industrial Standards certification for soy sauce. Today, it operates modern production facilities while maintaining traditional natural fermentation methods that give its products their distinctive flavor and quality. Since beginning exports in 1985, Yan Wal Yun has expanded its presence to more than 70 countries, making it one of Thailand's leading food exporters. The company supplies both retail consumers and the food service industry and is recognized for its consistent quality, food safety standards, and continuous product innovation. With more than seven decades of experience, Yan Wal Yun remains a market leader in Thailand and one of the country's most internationally recognized producers of Asian cooking sauces and seasonings.