On November 11th 2011,the First China Marine Economy Investment Fair opened in Ningbo's International Exhibition Center. Volunteers from NIT participated in this grand activity. During the Fair, they assisted visitors and exhibitors. With the help of the staff and volunteers ,China Marine Economy Investment Fair was a great success. Through this activity, volunteers of NIT show a spirit of dedication and cooperation. Meanwhile, this volunteering work not only enhances students' adaptability to exchange and communication skills, but also enriches their social experience.