The world's first smallest USB-EDGE products.....[2007-8-30]  HSDPA products are now sold.....[2007-8-30]  Good News! Good News!.....[2007-8-30] more 产 品 展 示   Contacts Help Hotline Dear Customers, When you meet any problem during using modem,you can contact us by telephone +86-755-833267242 or by MSN lydiazhou2008@gmail.com. Thanks. 2008-12-26  SHENZHEN CHUNJIANG TECHNOLOGY DEVELOPMENT CO.,LTD. Technical hotline ：+86 755 83267242； After-sales service：83267243； Complaints：83324278；  Email:cb100@163.com；