Add: No 11. wuhe S.Rd, Bantian Village Buji town, Shenzhen, China

  TEL: 86-755-89958560

   Fax:86-755-89958472

   E-Mail:Sales@usb21.com.cn.                (Market)  

              St@usb21.com.cn                      (Tech)

   POSTCODE:518129

   MSN:sxtw21@hotmail.com

   Skype: jianlyang

    Web:  http://www.usb21.com.cn