As a pioneer in the field of China's third-party quality control products, Beijing Controls & Standards Biotechnology Co., Ltd. possesses more than 150 reference materials covering fields such as immunology and molecular diagnosis. It has innovatively launched a diversified product matrix including serum panels, non-assigned value quality control products, quality control products specialized for medical devices, as well as quality management software. Through a strict production quality control system and clinical-level traceability standards, it provides full-process quality control support for medical institutions, IVD enterprises, and scientific research units, contributing to the precision management and standardization construction of laboratories. Over the past decade or more, we have established an integrated platform of 'R&D-production-service', leading the industry development with customized services and intelligent quality control solutions.