Quantum Health Group Limited distributes medical imaging and patient treatment equipment and services in Australia, Thailand, South Korea, Vietnam, New Zealand, and China. The company distributes medical products in the field of radiology, nuclear medicine, oncology, and women's health. It also manufactures and distributes water sterilization and hot water systems for use in hospitals and aged care facilities, as well as offers installation services of related systems. The company was formerly known as Quantum Energy Limited. Quantum Health Group Limited was founded in 1975 and is headquartered in Sydney, Australia.