Concord Medical Services Holdings Limited, through its subsidiaries, operates a network of radiotherapy and diagnostic imaging centers in the People's Republic of China. It operates in two segments, Network and Hospital. The company's services include linear accelerators and external beam radiotherapy, proton therapy system, gamma knife radiosurgery, and diagnostic imaging services. Its other treatments and diagnostic services comprise positron emission tomography-computed tomography and magnetic resonance imaging scanners. In addition, the company provides clinical support services, such as developing treatment protocols for doctors, and organizing joint diagnosis between doctors in its network and clinical research, as well as helps to recruit and determine the compensation of doctors and other medical personnel. Further, it offers radiotherapy and diagnostic equipment leasing, management services, and premium cancer and proton treatment services to hospitals, as well as teleconsultation and medical information technology services; and sells medical equipment. Additionally, the company operates specialty cancer hospitals, which offers radiation, imaging, test laboratory, inpatient, and nursing services. Concord Medical Services Holdings Limited was founded in 1997 and is headquartered in Beijing, the People's Republic of China. Address: East Zone, Hanwei Plaza, Beijing, China, 100020