Ion exchange resins are not only used in water treatment, for softening, desalting, or harmful substance removal, but also they could be used in more industries, such as food industry for de-ashing, decoloration; chemical industry for purifying chemicals, catalyst; hydrometallurgy for metal extraction. Especially in food industry, Our resin in the field of monosodium glutamate starch sugar has been the user's consistent high praise.