Few weeks ago, we visited a factory manufacturing soya sauce for distribution in Malaysia. The factory was huge and most of the workers are foreigner except the owner who is a chinese Malaysian.
Upon arriving at the factory, the owner took us to the production site where you can see the processes of making soya sauce.
main ingredients to make soya sauce
this gigantic machine is used to blend all the ingredients
all the ready soya sauce are preserved in a huge container under the sun