yesterday,as host,received Wichita govenment,an American city,general aviation capital of the world.the mission included the mayor and some executives of aircraft corporation,one executive is the son of Pizza hut.the Americans known all the small&abandoned airport and their current situation in our country,and made a development planning.in other words,the Americans had imagined how to spend $0 to control this emerging industry of China.back to chinese side,the officials were all unprofessional but chase achievements,our research institute and small company lack of core technology&management and service experiences.all i can said was,the Americans were so astute,we have to be controlled by the united states.