TPMS, Car Reversing Radar, Ultrasonic Sensor manufacturer / supplier in China, offering 18mm 40kHz Ultrasonic Receiver Radar Distance Measuring Sensor, 18mm 40kHz IP67 Waterproof High-Precision Sealed Ultrasonic Sensor, 72kHz High Precision Sealed Waterproof Ultrasonic Sensor for Car Window Controller and so on.