1. Clean, wash and soak soybeans overnight. Drain well. Put soybeans in a casserole until soft Cook soybeans in a pressure cooker (15 lbs pressure) for 1 hour or cook until tender.
2. Mix soybeans and flour thoroughly. Sprinkle rice bran with molds (3 days old) over the mixture and mix well.
3. Spread mixture 1-2 inch thick in a tray. Cover with clean cloth or paper and allow the molds to grow. Stir occasionally.
4. After 3-4 days, transfer the mixture to a container with salt solution. Cover the container with paper or cloth and shake well. Set aside for 1 month. Stir once in a while.
5. Strain the mixture through a cheese cloth, add "Kaolin" and let it stand until it has clear appearance. Strain again through a cheese cloth, add syrup and boil for 30 minutes. Transfer to a sterilized bottle and cover.