Providing with pure natural plant extract free sample, Shaanxi Jintai Biological Engineering Co.,Ltd is one of the leading plant extract, freeze-dried powder, monomer, standardized extract, ratio extract manufacturers. Welcome to wholesale products from our factory.The company has perfect quality assurance system of enterprises, the implementation of strict quality control standards. And passed the ISO9001 international quality system certification. Quality Management Division deployed a number of pieces (sets) gas, liquid, UV and other advanced testing and experimental equipment, and technology research, quality assurance and quality control division of the three functions of the details of the production process for effective and comprehensive quality control, ensuring product quality.