... . A.Ingredients:Edible alum ,Edible sodium bicarbonate, Calcium carbonate starch,Flour B. Functions: used for cakes, FaGao, steamed buns, steamed ... etc. C.Usage: mixing this baking powder with dry flour evenly at first, then stirring them with appropriate warm water ... have differents pakages,the regular are: 100g/bag,500g/bag,1kg/bag,2.5kg/bag,10kg/bag,25kg/bag and we can produce all kinds of pakage ...