Since 1999, Guangzhou Juan optical&eletronical tech co., ltd now is one of the biggest surveillance equipment manufacture. Thanks the powerful R&D department, Juan development so fast. Now we have over 20 researchers,30% of them are professional engineers, 80% are Master.About quality, Juan is approved by CE, passes the OMTEST. We achieve 3 The Utility Model Patent, granted by The people?s Republic of China Intellectual Property Office.