Jiangsu Xietong Pharmaceutical Bio-engineering Co., Ltd. (short for Xietong Shengwu), founded in November 1997, is located in Guli Industrial Park, Jiangning District, Nanjing City, Jiangsu Province. It is a new and high-tech enterprise specializing in the research and development, production and sales of lab animal diets and supplies. In January 2020, Xietong Bio-engineering (Yangzhou) Co., Ltd. (short for Xietong Yangzhou) was estabished, which is now located at No. 20, Zaolin Road, Industrial Concentration Zone, Maji Town, Yizheng City, Yangzhou City.The headquarters of the company covers an area of 20 mu, with a construction area of 4000m2, including 3600m2 production area, 600m2 raw material warehouse, 300m2 packaging material warehouse, 1800m2 product warehouse and 600m2 workshop. The headquarters has three production lines, including small workshop, medium workshop and automatic production line,the productivity is 50000-ton. In January 2020, Xietong Yangzhou bulit a new 100,000-ton lab animal diet production line. The total annual productivity of the company can reach more than 150,000 tons, which can meet the global demand for lab animals feeding. With the vision of "Making the Best Lab Animal Diet and Supplies for Life Science and Biomedical Industry", the company is committed to the development and production of lab animal diets and supplies.