Erkeshan sufu Kedong fermented bean curd, the leading product of "Erkeshan" brand fermented bean curd factory, is a traditional local specialty with a long history and is well known. Kedong sufu adopts the unique "Micrococcus" brewing technology (Micrococcus brewing technology is inseparable, can't be stolen, can't be bought, can't be imitated, and has distinctive core competitiveness), with pure northeast high-quality "green soybean" as the main material, 13 Chinese herbal medicines as seasoning, and unique volcanic spring water. The product is carefully processed by more than 30 processes such as advanced solar constant temperature fermentation technology in the industry.