2. Good soy sauce has three characteristics: the sauce tastes positive; Natural drying; There is no flavoring additive, that is to say, the really good soy sauce is brewed, not blended, and it is pure natural. But unfortunately, the current soy sauce vinegar has actually learned to fake with white wine, blending with chemicals and water, which is simple in operation, huge in output, low in cost, unchanged in price and very profitable, but it is really not good for people's health.