Address:  3 / F, building 1, yard 3, Xixing Road,Houshayu Town, Shunyi District, Beijing. 101318

Phone:    +86(010)87663515

Email:     navchina@casc.com.cn

Phone:   +86 (010)87663515 - 6007

              +86 (010)87663515 – 6011

              +86 15900712603

Email:     navmark@casc.com.cn

http://efb.siniswift.com:801/