Beijing KEY-BIO Biotech Co.,Ltd.  (hereinafter referred to as "KEY-BIO"), established in 2007, is a supplier and service provider focusing on the systematic research of active raw materials of in vitro diagnostic reagents. The company is located in Beijing Fengtai District R & D base and located in Beijing Daxing District production demonstration base, with a total area of 6400 square meters. The company has been rated as a national high-tech enterprise since 2016, passed the ISO9001 quality management system certification in 2017, has passed the ISO14001 environmental management system certification, ISO45001 occupational health management system certification, intellectual property management system certification; As a "double independent enterprise" identified by the Beijing Municipal Commission of Commerce, it has been rated as a "small giant" enterprise in Beijing Specialized and special new in 2022 and a state-level specialized and special new "small giant" enterprise, and was rated as one of the top 100 small and medium-sized private enterprises in Beijing in 2022, and one of the top 100 specialized and special new enterprises in Beijing in 2023 and 2024. In 2021, 2022 and 2023, it was selected as the TOP100 high-growth enterprises in Zhongguancun for three consecutive years, won the certificate of leading enterprise Innovation credit of Beijing Enterprises in 2022, 2023 and 2024, won the 16th National Commercial Quality Award in 2023, and the Third Prize of the National Service Industry Science and Technology Innovation Award in 2023. In 2024, it won the "Excellence Award" of the 18th Beijing Invention and Innovation Competition. At present, the company has 31 authorized invention patents, 1 utility model patent, and 18 registered trademarks. There are more than 20 research projects, and it has been rated as "Tax credit A-level enterprise" for more than 9 consecutive years.

KEY-BIO products mainly include infectious diseases, gonadal hormone, thyroid hormone, tumor markers, cytokines, heart and kidney disease detection of antigens, antibodies and marker raw materials. A large number of products are mature used in ELISA, plate chemiluminescence, magnetic particle -ALP chemiluminescence, magnetic particle - acridine esterification chemiluminescence, immune chromatography, microfluidic, biochemical turbidimetry and other platforms. On the basis of learning advanced technology and technology at home and abroad, KEY-BIO sets many years of practical experience, and constantly develops new products and high-quality products, aiming to provide a source of power for the research in the field of human life science.

KEY-BIO now has genetic engineering, protein engineering, antibody engineering, marker immunoanalysis and other technical platforms, the use of sufficient technical strength and perfect R & D, production equipment, systematic research and development of bioactive raw materials - intermediates - reagents.

KEY-BIO adhering to the "help science and technology leap, become a model in China" concept, on the basis of adhering to technological innovation, strictly grasp the quality management, and constantly improve the technical level, to achieve the benign development of the company's business. Today, Keyue Zhongkai product marketing network not only covers the whole country, but also exported to the international market.

In the future, KEY-BIO will continue to shoulder the mission of "committed to the cause of human health", bravely explore life science, empower the health industry with science and technology, and make more scientific and technological progress and innovation achievements to serve human health.