Baoji Herbest Bio-Tech Co.,Ltd provide more than 3000 high purity natural compounds, widely used in the quality assessment of Chinese herbal medicine,analysis of extract content,research biological activity,selection of new drug compounds,and food or nutritional supplements,etc. All the compounds have detailed and professional COA reports,including HPLC,MS,1H-NMR and 13C-NMR data. We also provise professional document (SDF ,MSDS,etc)which meet the requirements for drug selection and technical safety.