1,pure white, 2,more than 99% of the purity , 3,good quality,abundant supply. 4.competitve price ... dyeing industries.and good food additive or food fortifier of sodium Sodium gluconate of Food grade mainly used in candies, chocolates, soft ... foods from spoiling. 1,pure white,2,more than 99% of the purity ,3,good quality,abundant supply.4.competitve price5 ...