Edan Instruments, Inc. engages in the research, development, manufacture, and sale of medical equipment worldwide. The company offers diagnostic electrocardiograph (ECG) products, including resting ECG, stress test, holter, wireless solution, and ECG workstation products; patient monitoring systems, such as modular and compact patient monitor, vital signs, and telemetry and IT products; and obstetrics and gynecology products comprising fetal and maternal monitoring systems, fetal telemetry systems, ultrasonic doppler systems, central monitoring system, video colposcopes, and biofeedback and stimulation system. It also provides ultrasound systems that include cart-based color doppler, portable color doppler, and B/W ultrasound systems; and in-vitro diagnostics, which comprise hematology analyzers and reagents. In addition, the company offers point-of-care testing systems, including blood gas and chemistry, magnetic immunoassay, and colloidal gold-labeled immunoassay analyzers, as well as blood gas capillary tubes and molecular diagnostic analysis system; and veterinary ultrasound, ECG, laboratory, and patient monitoring products. Edan Instruments, Inc. was founded in 1995 and is headquartered in Shenzhen, the People's Republic of China.