Shenzhen TOPDA Electronic Co.,Ltd established in 2002, the factory lies in Bantian , Longgang ,Shenzhen China with the space totaled up to 2,500 square meters and 200 members . we have more than 5 years experienced software and hardware R&D engineers and a well-equipped laboratory .During five years efforts , TOPDA has four large SMT production lines and a large number of excellent engineers .We can produce about 1 million product units annually under the effective quality management system ISO9001 . TOPDA mainly specialize in researching & manufacturing Network products, which covers LANCard ,Switch ,Router , ADSL+Modem ,Wireless etc ,We also have the ability to provide customized products for ODM/OEM customers .Good appraisement encourage us to bring more and better products and services for our customers. JIM Huang (Mr.) Tel:(86)0755-89585909 Fax:(86)0755-89585229 Email:sales@topdacn.com Website:htt//www.topdacn.com