Changsha Huir (CSHR) has been dedicated to the research and development of herbal and nutraceutical ingredients since 1997. for the past 10years , We strictly control the quality from raw material to the finished product, and make our spirits of pursuing perfect embody in our herbal extract products field. CSHR is a professional manufacture and develope of high quality and standard botanical extracts for human health come from nature.At present,Our co***ny has adopted internationally first-tare manuf...