China Southern Airlines Co., Ltd. is a leading airline in China, specializing in air transportation services. The company, which is directly affiliated with China Southern Air Holding Company Ltd., is headquartered in Guangzhou and has an impressive fleet of more than 850 passenger and cargo transport aircraft. China Southern Airlines boasts the largest fleet and route network, as well as the largest passenger capacity among any airline in China. The company's fleet ranks first in Asia and third in the world, according to data from the International Air Transport Association (IATA).