Donggu Yipin fresh soy sauce is not blended soy sauce, but brewed soy sauce. It is made directly from grain fermentation.

Blended soy sauce is made of soybean and wheat bran. After boiling, Aspergillus is mixed with salt water to form solid soy sauce, which is then fermented by microorganisms. Soy sauce is mixed with soy sauce and other materials. Made from it, the brewed soy sauce has strong soy sauce aroma, while soy sauce has soy sauce and ester-free aroma.