通知下载https://www.ncct.edu.cn/uploadfile/2021/1214/20211214053535466.pdf
承诺书下载https://www.ncct.edu.cn/uploadfile/2021/1214/20211214053654950.docx
联系人证明下载https://www.ncct.edu.cn/uploadfile/2021/1214/20211214053700788.docx