Beijing Xiangrui Bioproducts

Beijing Simcere Sanroad Biological Products (formerly Beijing Xiangrui Biological Products) is a specialized biotechnology company based in Beijing, China, focusing on the research, development, and production of vaccines and diagnostic reagents. As a subsidiary of Simcere Pharmaceutical, the company is a leading provider of tuberculosis (TB) diagnostic tools, including Tuberculin Pure Protein Derivative (TB-PPD) and BCG-PPD. Its vaccine portfolio features the A and C Group Meningococcal Conjugate Vaccine, marketed under the brand name Naomanning. The company is recognized as a national high-tech enterprise and a 'Little Giant' for its contributions to infectious disease prevention and its integrated solutions for TB management.