YS Biopharma(YS) - Prospectus(update)

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on May 12, 2023 Registration No. 333-271221 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 1 to FORM F-1 2834 (Primary Standard Industrial Classification Code Number) Building No. 2, 38 Yongda Road Daxing Biomedical Industry Park Daxing District, Beijing, PRC Tel: +86-10 8920-2086 (Address, including zip code, and telephone number, including area code, of Registrant's principal executive offices) CO ...