As one drug manufacturer, STB now can produce 20 tons per year and another HA plant with an annual output of 30 tons  is being designed and ready to construct. STB is specialized in high quality production, providing food grade, cosmetic grade, eyedrop grade and injection grade with customerized molecular weight from 5,000 daltons to more than 2,000,000 daltons. Till now, STB has established a long-term coorporation with many top-class  pharmaceutical and cosmetic companies in Japan, Korea and European countries.