BEIJING HIGHWAY TELECOMMUNICATION TECHNOLOGY CO.LTD 

Telephone： 010 - 88575566

Fax： 010 - 8857 7606

Headquarters address: 508, floor 5, block B, science and technology wealth center, No. 8 Xueqing Road, Haidian District, Beijing

Postal code： 100092 

E - mail：info@hwttnet.com