Which domestic company produces better sodium gluconate?

According to the current domestic production situation, you need to see what sodium gluconate is used for. Now sodium gluconate is mainly divided into several grades, including pharmaceutical grade, food grade and industrial grade. If it is used in food and medicine, I suggest you use the products of Qingdao Kehai Bio and Shandong Kaixiang Bio-chemical, because other manufacturers basically do not make food-grade and pharmaceutical-grade products. If it is used in concrete, there won't be too many problems. Qingdao Kehai Bio, Shandong Kaixiang, Shandong Wang Xi, Dezhou Fuyang and other bio-fermentation products can meet the requirements.