1. China Resources Sanjiu (Ya 'an) Pharmaceutical Co., Ltd. was established in 1958. The company belongs to China Resources Sanjiu Pharmaceutical Co., Ltd., a subsidiary of China Resources Group, a central enterprise. The enterprise is located in Yucheng District, Ya 'an City.
2. China Resources Merck Pharmaceutical Co., Ltd. is a joint venture between China Resources Sanjiu Pharmaceutical Co., Ltd. and American Merck Pharmaceutical Co., Ltd., focusing on scientific research and innovation, exploring, developing and providing drugs and vaccines that can benefit millions of people around the world.