Mailing address:

Office of International Cooperation and Exchange

Beijing Jiaotong University

Beijing 100044,P. R. China

Tel：+86-10-5168 8351 Fax：+86-10-6225 5671

E-mail: wsclxsk@center.njtu.edu.cn

Website: http://www.njtu.edu.cn/jg/jgws/