Beijing Wantai Biological Pharmacy Enterprise Co., Ltd. research, develops, produces, and sells biological diagnostic tests and vaccines in China and internationally. The company offers in vitro diagnostics and automated laboratory instruments, including Wan600, Wan BC2800, WanTLA immunoassay and biochemistry analyzers; chemiluminescence and biochemistry tests, including novel diagnostic tests for detection of Hepatitis virus infections; P-85 Ab for nasopharyngeal cancer screening; and TB-IGRA for large population screening. It also provides diagnostic assays, such as high-value Hepatitis B core antibody tests, Hepatitis E Urine tests, Hepatitis D virus detection, IL-6, HIV 4th generation CLIA, Helicobacter pylori antibody, gastrin-17, and soluble transferrin receptor assays; and enzyme-linked immunosorbent assay (ELISA), colloidal gold, molecular, clinical laboratory quality control products, and bioactive materials for various infectious diseases, such as HIV, Hepatitis, Tuberculosis, and Influenza A/B. In addition, the company offers core diagnostic solutions comprising chronic disease management, integrated Hepatitis E screening and prevention, full lifecycle women's health programs, and intelligent laboratory services. Further, it provides medical instruments, diagnostic tests, quality control products, bioactive materials, and diagnostics solutions; and HPV, Hepatitis E, and Nasal Spray COVID-19 vaccines. The company was founded in 1991 and is headquartered in Beijing, China. Beijing Wantai Biological Pharmacy Enterprise Co., Ltd. is a subsidiary of Yangshengtang Co., Ltd.