core technology co., ltd. is a subsidiary of the american cordx union group. cordx union (hereinafter referred to as cu) was established in 2006. headquartered in atlanta metropolitan area of the united states, it is an international group company integrating r&d, production, marketing and service. it has 21 subsidiaries, including accu news, coretests technology, abiores, jtests, bonore plastics, cupet new energy and other brands. cu is mainly engaged in medical devices & diagnostic reagents. its products are sold to more than 170 countries and regions, with more than 100 million users worldwide. it is widely used in clinical testing, primary medical care, on-site law enforcement, epidemic monitoring, disaster relief, home self-test, health management and other fields. cu has four research institutes all over the world, which are located in sd, california, daxing, beijing, xiong'an, hebei and hainan island. it continues to improve scientific and technological innovation platforms such as molecular diagnosis, colloidal gold chromatography, fluorescence immunization, biochip, recombinant protein, mrna vaccine, pet products, battery materials, ai quality management system, etc. diagnosis and treatment products are mainly used for infectious diseases, tumors, cardiovascular and cerebrovascular diseases, inflammation, drug abuse and other diseases. the cu manufacturing base covers a total area of 30000 square meters, and also provides high-quality services for pharmaceutical peers.