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

Postcode:101318

Tel:Mr.Fu：（TEL）+86-（010）87663515-6007

  Mr.Ye：（TEL）+86-（010）87663515-6011
      （Phone）+86-15900712603

Fax:+86（010）62698986

E-mail:navchina@casc.com.cn