A few days ago, the first delivery of ATR42/72 service door and entry door which developed and produced by Gotiar has achieved matching with the fuselage in Alenia Aeronautica S.p.A.,Italy, the first two doors has smoothly passed through the customer's assembly verification. Only under the leadership of Avic Intl and close cooperation with ALENIA , Gotiar can achieve this result. This shows that Gotiar has the ability for parts production and assembly of civil aircraft, which laid the strong foundation for entering into the international aviation manufacturing industry.