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Tel: 86-10-52719797
E-mail: sales@h2o-china.com
Market Department
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E-mail: marketing@h2o-china.com
Editorial Department
Tel: 86-10-51627908
Fax : 86-10-51627909
E-mail: news@h2o-china.com
Research and Consulting Department
Tel: 86-10- 52719759
E-mail: analyst@h2o-china.com
Operating Department
Tel: 86-10-52719776
E-mail: support@h2o-china.com
Exhibition and Promotion Department
Tel: 86-10-52719769
E-mail: operation@h2o-china.com
Address: Building 25,Yuquanhuigu Science and Technology Park of Tsinghua,3 Minzhuang Road,Haidian District, Beijing

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