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Address: 25F, Science Park Tower A, Tsinghua University Science Park, No 1, Zhongguancun East Road, Haidian District, Beijing, 100084, P. R. China

Telephone: +86 10 82150964

E-mail:mail@thholding.com.cn

Fax:+86 10 82150099 

Post Code: 100084

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