Changchun BCHT Biotechnology Co. Changchun BCHT Biotechnology Co. (688276.SS), founded in 2004 and headquartered at No. 138 Zhuoyue Street, Chaoyang District, Changchun, Jilin Province, China, operates as a biopharmaceutical company focused on the research, development, production, and commercialization of human vaccines for the prevention and treatment of infectious diseases, primarily serving the domestic Chinese market with international expansion efforts. Its approved product portfolio includes live attenuated varicella vaccine (chickenpox vaccine); human rabies vaccine (vero cell); freeze-dried live attenuated nasal influenza vaccine; and live attenuated herpes zoster vaccine (shingles vaccine), alongside a pipeline of vaccines in development and fully human monoclonal antibodies targeting infectious diseases. The company maintains state-of-the-art production facilities in Changchun High-tech Zone and employs approximately 1,270 personnel dedicated to innovative biomedical solutions. In recent developments, Changchun BCHT Biotechnology achieved the first export of its domestic shingles vaccine, signaling international market penetration; reported revenue of CNY 895.58 million on a trailing twelve-month basis with net income of CNY 20.92 million; and continues to advance its research pipeline, including ongoing promotion of the shingles vaccine amid substantial market penetration potential in China, where annual new cases exceed 1.5 million. Additionally, the company rejoined the Developing Countries Vaccine Manufacturers Network (DCVMN) in early 2025, strengthening global collaboration opportunities in vaccine access and development.