What is the grade of gb18186 soy sauce?

national standard.

GB18186 is the national standard number of the National Standard of the People's Republic of China: Brewing Soy Sauce issued by the State Bureau of Quality Supervision in 2. Only the standard brewed soy sauce can be labeled "GB18186".

Soy sauce is a traditional condiment in China. Liquid condiment brewed from beans, wheat and bran. It is reddish brown in color, with a unique sauce flavor and delicious taste, which helps to promote appetite. Soy sauce evolved from soy sauce. As early as 3, years ago, there was a record of making soy sauce in the Zhou Dynasty in China. However, the invention of soy sauce by the working people of Han nationality in ancient China was discovered purely by accident. The earliest condiment used by the ancient emperors in China was made of fresh meat, which was similar to the manufacturing process of fish sauce today, because the excellent flavor gradually spread to the people. Later, it was found that soybean was made with similar flavor and cheap, so it was widely spread to eat.