The production area of Puyuan is located in Weihai, Shandong, which has a unique geographical advantage and abundant seafood production. Puyuan has a 18,000-ton fish sauce fermentation base, which has obtained HACCP food safety certification, and the fish sauce produced has a natural taste and less nutrient loss. The raw materials are all wild anchovy, pickled with salt or brine, and naturally fermented at low temperature for three years, the fish sauce made has a thick and unique umami, transparent and clear body, a fragrant aftertaste, and no fishy odor, and excellent quality. Puyuan Thai fish sauce is priced at about 11.5 yuan, and it is also made into seafood such as hoisin sauce and shrimp paste.