Established in 2008, Jiurui Biology & Chemistry Co., Ltd. is located in the Zhangjiajie Economic Development Zone, Hunan Province. The company focuses on the extraction and processing of natural products, leveraging the scientific research strength of Tianjin Nankai University. It produces tannic acid, gallic acid, propyl gallate, pyrogallol, resveratrol, and other derivatives widely used in pharmaceuticals, chemicals, food additives, and more. Jiurui Biology & Chemistry holds various certifications including ISO9001, HACCP, HALAL, FAMI-QS, and KOSHER.