For the air transportation service from China to the United States, the cooperative airlines include (CX KE OZ CZ CA MU CI BR 5Y K4) the departure airports cover the cargo transportation from Hong Kong, Shenzhen, Guangzhou, Changsha, Wuhan, Shanghai, Qingdao, Taiwan, China, Incheon, South Korea and other cities to Los Angeles, Chicago, New York and other major airports in the United States.