1. China international airlines co., ltd (hereinafter referred to as "air China") was formally established in Beijing on 1988. It is the only civil airline flying the national flag in China, with rich international route resources and excellent service quality.
2. China Eastern Airlines Co., Ltd. is a state-owned holding airline headquartered in Shanghai, China. On the basis of the former China Eastern Airlines Group, China Northwest Airlines was merged with China Yunnan Airlines. It has a strong domestic airline network and efficient operation and management capabilities.
3. China Southern Airlines (hereinafter referred to as China Southern Airlines), headquartered in Guangzhou, was established on March 25th, 1995. With the blue vertical tail inlaid with red kapok as the company logo, it is the airline with the largest number of transport planes, the most developed route network and the largest annual passenger traffic in China, and its advantages and diversified route layout in South China have been widely concerned.