Sichuan precious biotech co. Ltd. Is a scientific and technical enterprise that concentrates on the development of pharmaceutical components, technical services and marketing, providing high-quality natural products and drug activity monomer, including natural drug activity monomer components, chinese chemical controls, standard substances and drug impurity separation. Provision of product support and technical services to national and international research institutes, universities and pharmaceutical enterprises in the field of pharmacological testing and the construction of standards for the quality of drug production。