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Address: Bld.5, Suite 1-102, Jianqiao Bowuguan, Wanliu Zhonglu Haidian, Beijing,China 100089
Tel:  86-010-82577899,  82576582      Fax:  86-010-82577897, 82576723       
Email: tech_sun@126.com    Domain:www.techsunchina.com