Changsha Huir have a strong team in R&D center, in Changsha and Hubei we own two laboratories,total 30 staffs working in our lab.,and 15 researchers are academician,professor,associate professor,also we have a set of advanced equipment for R&D,QC and QA,including HPLC-ELSD,HPLC,GS-MS,TLC,freeze-drier,SFE CO2 and so on.We believe that with our strictly control of the produce and the technical detection,we can provide you with the best quality of herb extract in China market.Any question or puzzle with the technical,feel free to contact with our Technology department.