Yisheng Biopharma (辽宁依生生物制药有限公司, also known as YS Biopharma) is a company engaged in development, production, marketing and sale of vaccines and therapeutic biologics for infectious diseases and cancer. Its products include PIKA® immunomodulating technology platform and a series of preventive and therapeutic biologics targeting Rabies, Hepatitis B, Shingles, Influenza, Coronavirus.