We have formulated strict quality standard and quality control (QC) process during the manufacturing to ensure the quality of the products. All the products are double checked by 2 professionals before the storage. “Product quality is the life of company’ is our value. Honest, trustworthy and Win-to-Win is our principle. We are willing to offer high quality products and competitive price to you in order to research natural medicine for the benefit of all mankind.Oriented in manufacturing high purity compound and raw material from natural medicine, Integrating the research, manufacturing and sales, Nanjing Spring & Autumn Biological Engineering Limited Company is focused on the extraction and purification of active ingredient from medical plants. We are determined to supply our customers with high-quality natural products.The company has a professional research team major in the natural chemistry, plant resources and Pharmacognosy field. We are in the close cooperation with China Pharmaceutical University and Nanjing Medical University in research.