We supply 75%, 81%, 85% food grade material. Aannual capacity over 20000mt. Packing can be: 35kg,300kg,330kg drum, 1600kg IBC. Phosphoric acid is used in food industry as the sour flavoring agent and the nutrient of yeasty.We can supply 75%, 81%, 85% food grade material.Aannual capacity over 20000mt. Packing can be: 35kg,300kg,330kg drum, 1600kg IBC. Phosphoric acid, food grade