GEMCRO is a specialized company in the generation of genetically engineered mouse (GEM), focused on developing disease models and preclinical platform models essential for drug discovery and development. We provide total solutions for mouse models, ranging from immunodeficient mice for cell line-derived xenografts (CDX) and patient-derived xenografts (PDX) to custom-designed mouse models utilizing CRISPR/Cas9 technology. Through precise genetic modifications, GEMCRO offers comprehensive mouse model support for the drug development process.