Beijing Bainian Liyuan Ecological Agriculture Co., Ltd. is a state-owned holding enterprise under Shounong Group. It is a full-industry chain agricultural enterprise specializing in Beijing's oil chicken breeding research and development, breeding chicken production, feed processing, ecological breeding, food processing, and product marketing.

Centennian Liyuan adopts new ecological breeding technology to realize the large-scale breeding of Beijing oil chickens (also known as Chinese court yellow chickens) with a history of more than 300 years, so that the past royal chickens can enter the kitchens of people's families. After ten years of development, Centennium Liyuan has grown into a country's largest production enterprise for organic Beijing oil chicken products.

The Centennial Liyuan Member Farm is located in Miyun County, Beijing, covering an area of ​​more than 6,000 acres. It is the largest Beijing oil chicken ecological free-range base in Asia. After ten years of closed cultivation, it has nurtured an ecological environment without any pollution, providing unique natural conditions for organic breeding and organic planting. The "zero pollution, zero addition" organic series of Beijing oil chicken products are highly favored by consumers.