Our company was established in 2005, once calledShenzhen L&D Tech Co.,Ltd which product professionalsecurity system of  metal detectors,Eas system,also good credible shipping cargo for all our customers . After5years development, our technology of metal detectors is meetingthe international high level and we have got a number of nationalpatent.  we are providing quality products such as underground metaldetectors, hand-held metaldetectors , walkthrough metaldetector ,EASsystem ,USBDVR and so on