Changsha Huir Biological-Tech Co., Ltd. (CSHR) has been dedicated to the research and development of herbal and nutraceutical ingredients since 1997. In the past 14 years, we have strictly controlled the quality from raw materials to finished products, and have made our spirits of pursuing perfect embody in our herbal extract production field. CSHR is a professional manufacturer and developer of high-quality and standard botanical extracts, which come from nature and are good for human ...