Beijing Challen Biotechnology Co., Ltd.(Challenbio) is a leading biotechnology manufacturer specializing in the production of flow cytometers and other biomedical products.We provide integrated solutions encompassing instruments, reagents, and OEM technical services for flow cytometry.Our portfolio features flow cytometers, including the analytical LongCyte®/FongCyte™ series and the full-spectrum CytoStellar™, automated sample preparation systems, reagents, and consumables. Serving over 1,000 global customers across clinical diagnostics, biotherapy, research, pharma, and more.Challenbio holds ISO9001 and ISO13485 certifications and is dedicated to developing advanced flow cytometers and related products.