Youyi Volunteer is a college entrance examination volunteer filling software developed by Jiangsu Dragonfly Cloud Network Technology Co., Ltd., which is a legally registered technology company. The certificate provided voluntarily by Youyi is recognized by relevant institutions and has legal effect. Excellent art volunteer certificate is highly recognized and has been recognized and supported by the national education department. Candidates and parents can rest assured to use the certificate provided by Youyi as a reference and basis for volunteering for the college entrance examination.