Beijing Aosiyuan Science & Technology Co., Ltd.
TEL:+86 10 62975196 / 82782844 / 62980879
FAX:+86 10 62975196 ext. 805
E-mail:asy@bjasy.com
AD:Rm417,Overseas Students Pioneer Park, No29 Shangdi East Road, Haidian District,Beijing,China
POST:100085
MSN:eltj@163.com
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