Beijing Aosiyuan Technology & Science Co., Ltd.

  TEL:+86 10 62975196/82782844

  FAX:+86 10 62975196 ext. 818

  E-mail:asy@bjasy.com

  AD:Rm.417, Overseas Students Pioneer Park, No.29 Shangdi East Road, Haidian Dist., Beijing

     100085, P.R. China  

  MSN:eltj@163.com