import and export air transportation through Shanghai/ Guangzhou/ Beijing/ Zhengzhou/ Changchun/ Dalian and other port cities to all over the world, truck or air freight services from domestic cities to port cities, project cargo services, airline charter flights, door-to-door and other services, and offer other supporting services such as pickingup,booking,corresponding customs declaration, cargo pretreatment, warehousing, providing efficient online tracking services for each node.