This standard applies to the process of brewing soy sauce using defatted soybeans and bran as the main raw materials using a low-salt (salt content of the fermented grains is about 7%) solid state (moisture content of the fermented grains 50% to 58%) method.
SB/T 10311-1999 history
1999SB/T 10311-1999 Technical regulations of soy sauce with low-salt and solid state fermentation