Company name：Beijing Zhengyuanhe Science&Technology Development Co.,Ltd.
Address: Rm 306 of #2 Building, #18 Eastern Road, An NingZhuang, Haidian District Beijing
Post Code: 100085
Tel: 86-10-62914402
Fax: 86-10-62904406 ext 604
E-mail: geosales@163.com

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