签证邀请函英文

　　University (college) office:

　　National college students' traffic science and technology competition (NACTranS) is the first by a lot of advantage position in the field of transportation engineering colleges and universities work together contribute to the undergraduate course contests, is one of the college students as the main participant of national traffic science and technology innovation, academic competitions. Series professional include traffic engineering, transportation, roads and Bridges to cross a river engineering (roads, Bridges and tunnels), or transport civil engineering (roads and Bridges), navigation technology, flight technology, and other disciplines. The 6th national college students' traffic science and technology competition will be held in changan university in May 20xx, the preparatory work has been in full swing.

　　Competition organizing committee sincerely invites your school organize students to participate in the 6th national college students' traffic science and technology competition, the competition process and schedules can be found in the attachment, please before December 31, 20xx will be receipt by mail, fax, E-mail and so on returns, waiting your feedback.

　　advance

　　The ritual

　　The organizing committee of the national college students' traffic science and technology competition

　　Chang 'an university