Tongxiang Hongyu Chemical Co.Ltd is belong to the family group which is the ISO Ceritifcated of professional Manufacturing and distribution group with three production based of Glucono Delta Lactone(GDL)(6000Mt/Year),Gluconic Acid (12000Mt/Year), Sodium Gluconate (20000Mt/Year),Calcium GLuconate(3000Mt/Year),Other Gluconates (1000Mt/Year),and Inositol(800Mt/Year) with the ISO, HACCP, KOSHER,HALAL Certificated. Hongyu Focus on the Gluconates Solutions and Commit to produce the best quality of Gluconates in the World. For example, like Sodium Gluconate,we produce the high grade quality which is the whiter than other producers in China. ……Now Hongyu support the clients with OEM Services, Sourcing, Indenting Distribution and Logistic Service,.etc. Customer 100% Satisfaction is our working way, and Two Wins Cooperation is our principal,which is to promise our business partners always in the competitive position in the market to share with success together!