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With over six hundred employees located at sites in Beijing, Shenyang, Henan, Singapore, Cambodia and the U.S., Yisheng develops innovative products in immuno-oncology and infectious disease that maximize the potential of our technology. We are proud of the enthusiasm and professionalism of the individuals who help us maintain a position of leadership across multiple segments of the industry. Our mission is prevention and treatment of disease to improve health and quality of life for individuals across the globe.