Guangdong Yihe Pharmaceutical Co., Ltd. was formerly Zhanjiang Health Pharmaceutical Factory. It was founded in December 1976. It is a state-owned holding comprehensive integrating drug development, production and operation, focusing on the production of Chinese patent medicines and combining Chinese and Western medicine preparations. A modern production enterprise, a demonstration base for food and drug security projects in Guangdong Province, and a high-tech enterprise in Guangdong Province, passed the national GMP certification in June 2004. The company is located at No. 24, Lutang Road, Xiashan District, Zhanjiang City, Guangdong Province, covering an area of ​​25,000 square meters and a construction area of ​​10,000 square meters. It has a pre-treatment workshop, Chinese medicinal material extraction workshop, preparation workshop, equipment power workshop and product testing center, equipped with domestic production equipment and international testing instruments.