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Mailing address: 84-188 mailbox of Post Office of Tsinghua University, Beijing
Postal code: 100084
Company Headquarters: 7th Floor, Block A, Yingchuang Power Building, No. 1 Shangdi East Road, Haidian District, Beijing
R&D Center: East District, Tongzhou Economic Development Zone, Beijing
Production base: Beijing Fangshan Economic Development Zone


Fax: 010-60526944