PTFE, PTFE Part, PTFE Rod manufacturer / supplier in China, offering Waterproof High Gain External Magnetic Active GPS Antenna, GPS Antenna 1575r-a Active Antenna 1575.42MHz 25* 25* 4mm Built in GPS Patch Antenna, Customized 2.4G ~5.8g WiFi Built-in PCB Antenna Internal GPS Antenna with SMA Plug Connector and so on.