As one of leading cellular phone accessories manufacturer in china mainland, we bookmarked most of our competitors in 3 years ago.Today only a handful of them have survived."quality is base,innovation is promter" give us today and a chance for us to know you.Our most competive products include mobile phone twin SIM card, USB infra-red adapter, handsfree knits&data wire, etc.And at the moment most of them are exported to Mid East, Eastern Europe, Southeast Asia, etc.Please give us a try before you buy and our more than 300 professional staffs will serve you without delay for your great success.