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For shareholder consultancy and necessary company operation and financial materials, please visit cninfo.com.cn or company website.

For investor consultancy, please write us a letter or call us.

Address:DCITS Building.No.E.18,A-Park,N0.10 Xibeiwang Dong Rd,Haidian District,Beijing,PRC

Zip Code:100193

Investor hotline:+86 010-61853676

Company Tel:+86 010-62693001

Fax:+86 010-62694810

Email:dcits-ir@dcits.com

Secretary of the Board of Directors

Mr. Liu Weigang
Company choice of information disclosure newspaper designated by CSRC

《Securities Times》
Securities affairs representative

Ms. Li Dan
International website for information disclosure designated by CSRC

CNINFO: http://www.cninfo.com.cn

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