Shanghai QiangTang Communication Technology Co.,Ltd.     Shanghai Office HQ  Address: Suite 1201, Boda Business Building, #11 Puhuitang Road     Zip: 200030      Telephone: +86.21.34241010      Fax: +86.21.64699588      E-mail: support@qtct.com.cn    Beijing Office  Address: Suite 6-601, #1 Sheng Gu Xin Yuan, Chaoyang District  Zip: 100030  Telephone: +86.4008885088  Fax: +86.21.64699588