Tel： +86-10-82870718 / +86-10-84065599?

Fax：+86-10-82870956

E-mail：This email address is being protected from spambots. You need JavaScript enabled to view it.

Address：5F,Tower A, Zhongguancun Intellectual Property Building, No.21, A, Haidian South Road, Haidian District, Beijing, P.R.China, 10080