Shandong Yisheng Breeding Livestock and Poultry Co., Ltd. is located in the port city of Yantai, with Weihai in the east, Qingdao in the south and Dalian across the sea in the north, with convenient transportation by water, road and air. The company's breeding sites are mainly concentrated in Yantai and Weihai in Jiaodong Peninsula, and it is one of the five largest demonstration areas of animal diseases without regulations in China. Unique epidemic prevention conditions, unique geographical conditions and strict system management have made Yisheng today. At present, Yisheng covers an area of more than 2,000 mu. Yisheng headquarters has 26 modern ancestral and parental chicken farms, 4 hatcheries, 2 feed mills and 2 original chicken farms that are synchronized with the world. In addition, it has six subsidiaries: Shandong Lunan Breeding Pig Co., Ltd., Shandong Holstein Dairy Breeding Center, Shandong Yishengtang Pharmaceutical Co., Ltd., Shandong Yisheng Animal Disease Research Institute, Yantai Yishengyuan Dairy Co., Ltd. and Shandong Yisheng Plant Tissue Culture Technology Development Co., Ltd.