1. Guangzhou Baiyun International Airport (CAN) is situated in Baiyun District, Guangzhou City, Guangdong Province, China. Its IATA code is CAN, while its ICAO code is ZGGG. This airport, with a 4F class rating, is one of China's three major comprehensive hub airports.2. Shanghai Hongqiao International Airport (SHA) is located in Changning District, Shanghai, about 13 kilometers from the city center. It is a civilian international airport with a 4E class rating and holds the IATA code SHA and ICAO code ZSSS. Shanghai Hongqiao International Airport is one of China's major comprehensive hub airports and serves as a major international airport and a first-class open aviation port.3. Qingdao Liuting International Airport (TAO) is found in Liuting Town, Chengyang District, Qingdao City, Shandong Province, located approximately 23 kilometers from the city center. It has a 4E class rating and is classified as one of China's twelve main trunk airports. Its IATA code is TAO, and its ICAO code is ZSQD.4. Chengdu Shuangliu International Airport (CTU) is positioned in Shuangliu County, Chengdu City, Sichuan Province, about 16 kilometers from the city center. The airport's geographical coordinates are 103°57’02’’ east longitude and 30°34’47” north latitude. Chengdu Shuangliu International Airport, with a 4F class rating, is considered one of China's eight regional hub airports and is an essential aviation hub and distribution center for passengers and cargo in the inland region. Its IATA code is CTU, and its ICAO code is ZUUU.5. Kunming Wujiaoba International Airport (KMG) was the main aviation gateway in Yunnan Province until it ceased operations on June 28, 2012, being succeeded by the new Kunming Changshui International Airport. The IATA code for Kunming Wujiaoba International Airport was KMG, and the ICAO code was not mentioned in the available data.