YONGZHOU HERTAI BIO-TECHNIQUE CO.LTD. always adhere to the faith in “Quality is a life for enterprise”, and take Customer Service as the focus of our attentions, constantly improve food safety control system. From ingredient enter factory, productive process quality control of intermediates, as well as solvent and ingredients quality control, we are strictly observing cGMP’s requires to control the quality to insure the product quality conforms to USP and EP.