SINGASPY TONGA ENTERPRISE INC is leading manufacturer& exporter in Taiwan, professionally?producing GPS Tracker, UHF transmitter, GSM transmitter, 3-channel Receiver, Wireless Camera /?Hidden Camera, Digital voice changer, Digital voice recording products, Portable Mini DVR. ?SINGASPY specified in "OEM" and "ODM" business and is one of famous reputation in security field.?Since a market demands all over the world, we are glad to inform you, we have developed many?kinds of security products, and they are with perfect excellent design. I believe that they are?attractive you much to create more markets successfully.?Hopefully all above information would be sufficient for you know more about our company. If there?are any questions, please don&＃39;t hesitate to contact with us once for efficient service again or visit ?our web site http://www.singaspytonga.com?for more detailed information of our security?products.?We are expected to cooperate with your company, and we hope we could develop mutual business ?in the future, if you have any questions, please feel free to contact with us anytime.